Best Box Mods 2019
June 10, 2015

Kangertech SUBOX Mini Review

Kanger SUBOX Intro

We review the new Kangertech Subox Mini kit. The Kanger Subox kit comprises of the new Kanger Subtank Mini and the matching Kbox mini 50W box mod. The tank and box mod kit comes in either a white or black matte finish.

The new Kanger Subtank Mini on the Subox is a much improved tank featuring vertical coils and much better flavor than the previous Subtank Mini. The Kbox mini is a 50W box mod that can fire down to 0.3ohm. These things look gorgeous and it is no wonder vapers are going crazy for them!

The tanks and kbox mini come as a combo kit. The Kbox mini box mod can be purchased separately as well if you only want the box mod. I can’t find the tank being sold anywhere on its own yet, but I am sure Kanger will be selling them separately soon as well.

We will structure the review by first reviewing the new Kanger Subtank Mini and compare it to the older Subtank Mini and then review the Kbox Mini separately, finishing with our thoughts on the Kangertech Subox mini kit as a whole.

If you would like to see some of the best box mods on the market check out our best box mods page.

Kanger SUBOX Specs and Features

Kit Content

  • One KBOX Mini 50 Watt Box Mod by Kangertech
  • One Sub-Tank Mini
  • One RBA Mini Plus Head
  • One 0.5 ohm OCC Coil
  • One 1.5 ohm OCC Coil
  • One Instruction Manual
  • Japanese Cotton Pad
  • USB Charging Cable
  • Additional Screws and Screwdriver


  • Kbox Specs:
  • 7 to 50 Watts in 0.1 Watt Increments
  • Fires 0.3 ohm resistance coils and above
  • Uses a single 18650 (NOT included)
  • Full OLED Screen
  • 1A Micro USB Charging Port for pass through charging
  • Zinc Alloy chassis
  • Ergonomically designed to fit comfortably in the hand
  • Short circuit
  • reverse battery
  • low resistance
  • and over-time use protection
  • Fixed Brass 510 connection
  • Dual Magnetized Door (strong magnets)
  • Height: 82mm
  • Length: 39mm
  • Width: 22mm
  • Tank Specs:
  • Price: ?
  • Wattage Range: 15-40W (0.5ohm coil) 10-25W (1.2ohm coil)
  • Tank Capacity: 4.5ml
  • Coils Available: 0.5 or 1.2ohm
  • Wicking material: 100% Organic Japanese Cotton
  • RBA: RBA deck included in the kit
  • Diameter: 22mm

Notable Remarks

New Subox Kanger Subtank Mini Tank Review and Comparison to the Older Subtank Mini

As mentioned above the Subox Kit includes a newer version of the Subtank Mini, which in our opinion is much improved. Let’s take a look at the differences between the two tanks below.

Coil Design

Kanger Subtank Mini (V2) 0.5 OCC, 1.5 OCC and RBA Coil
Kanger Subtank Mini (V2) 0.5 OCC, 1.5 OCC and RBA Coil

The Subox Mini Tank features a vertical coil build compared with the older coils, which had horizontal coils. I was always under the impression that horizontal coils provided better flavor, but this isn’t the case at all with the Subox tanks. The flavor is in my opinion much improved!

The new coils on the Subox tank also feature different juice flow holes. They look slightly larger and are indented into the coil.

Apart from those two major changes, the coils are the same size and feature the same airflow at the bottom. The coils are interchangeable with the older Kanger subtank minis.

Better Flavor

Kanger Subtank Mini (V2) 0.5 OCC vs. 0.5 Subtank Mini (V1) Coil
Kanger Subtank Mini (V2) 0.5 OCC vs. 0.5 Subtank Mini (V1) Coil

The flavor on these new Kanger Subox coils is absolutely fantastic. We have reviewed over 20 sub ohm tanks now and these new coils are right up there with some of our favorites so far: Crown, Freemax Starre and the Herakles.

No More Leakages! (so far anyway, fingers crossed)

One of our biggest complaints about the Kanger Subtank Mini was that it tended to leak through the air flow holes. Many people had this issue and it was an absolute pain in the ass. It lead to us just not even using our Subtanks anymore. So far I can say we haven’t had any leaking after a week’s worth of vaping and re-filling the tank several times. I hope it stays like this and if it does, it is a good improvement over the original tanks.


The new Subox tank no longer comes with a spare Pyrex glass or o-rings. The White Subox does however come with a spare drip tip in white. The Subox tanks also come with RBA sections, as well as spare coils, cotton, screws and a mini screwdriver.

Improved Heat Control on the New Coils and Tank

One thing we noticed on the original subtanks was that vaping above 30Ws lead to the tank , drip tip and vapor getting really hot and sometimes uncomfortably so. The new Kanger Subox tank does a much better job of keeping cool, meaning you can fire it at higher wattages a lot better. I think this is due to the improved air flow, vertical coil design and ceramic coating on the tank.

Improved RBA

Kanger Subtank Mini (V2) vs. Subtank Mini (V1) RBA Deck
Kanger Subtank Mini (V2) vs. Subtank Mini (V1) RBA Deck

The RBA on the Subox kit features a few major differences. Firstly it features two massive juice flow holes on the sides to allow for better wicking. The sides of the RBA are now fixed down with a little screw. You need to unscrew this a tiny bit with the provided screwdriver and then the side panel of the RBA will slide off. The original RBA housing had to be twisted off which wasn’t always the easiest thing to do. The RBA features PEEK insulators and is the same size as the original RBA section. You need to make sure that when wicking the RBA, that you use more cotton than you usually would in order to fill those juice flow holes with cotton.

The RBA seems to wick a lot better and is easier to use now compared to the original. I found the original difficult to wick properly which always resulted in burnt hits. I no longer get these when using the new Subox RBA. I love the flavor on the RBA section and it vapes really well. It is another good improvement on this tank.

Improved Air Flow

Kanger Subtank Mini White and Black Edition
Kanger Subtank Mini White and Black Edition

The air flow on the Subox Mini tank is slightly different to the original. There are now dual air flow slots and differing sizes of air flow slots. Fully open, the Subox Tank is slightly more airy than the original one. I did find that the air flow was slightly more difficult to adjust and turn, as it is tighter than the original.

Sexy Looks

Kanger Subtank Mini White and Black Edition
Kanger Subtank Mini White and Black Edition

The Subox tanks come in either a stunning matte white or black finish. I believe the Subox tank has a aqueous ceramic coating (whatever that means), but the box mod section doesn’t. The tank with the box mod together just looks really awesome and my brother and I both really dig the white one. It will be interesting to see going forward how easily the tank and box mod scratch and if the paint at any point starts flaking off. We have been careful with ours so far and have yet to have any paint coming off.

Less Crackling and Spitting

Another thing we noticed was that the new Subox tank doesn’t seem to crackle or spit as much our as older Subtank Minis did. Our older subtanks all crackled and spat quite a bit, but this doesn’t seem to be the case on the newer Subox ones at all, which is a positive!

Vaping the 0.5ohm Coil on the White Subox Tank

We used our Fa-Q e-liquid Miss Samoa e-liquid for this review which is a 75% VG e-juice. We have been using this on all of our sub ohm tank reviews for better consistency across the reviews.

  • 10W – Only a faint whisp of vapor.
  • 20W – A nice cool vape with some decent clouds already. The flavor is still lacking slightly at this wattage.
  • 30W – A lovely warmish vape with plumes of tasty vapor. The flavor is now starting to become more pronounced.
  • 35W – This is my personal sweet spot for this tank. It’s a nice warm vape without being too hot. The new coils and air flow do a great job of keeping the tank relatively cool, which is a big improvement over the original tank and drip tip which tended to get very hot very quickly.
  • 40W – A delightful warm vape now. On longer inhales the vapor will get a bit too warm for my liking, but the flavor is absolutely terrific, much better than the original subtank mini if you ask me. If you chain vape at this wattage the coil will start to edge on a burnt hit, but we never really got a full burnt hit (using a 75% VG e-juice).

Overall the Subox mini tank is terrific and the flavor and clouds were warm and tasty. The performance is much improved over the original tank.


Small Size

This was another thing that impressed me about the Kanger Subox. I was expecting it to be a lot larger, but credit to Kanger for making it really small and sleek. Check out the picture below to see it compared to some other popular box mods to get an idea as to its size. It is a bit bigger than an iStick 30W and a bit smaller than the new Coolfire IV by Innokin (big fan of that one as well). It fits absolutely perfectly and comfortably in your hand.

Sexy Looks

Kanger KBOX Mini White and Black Edition
Kanger KBOX Mini White and Black Edition

I think this is a big reason a lot of vapers will be purchasing the Subox tank and box mod combo. The complete white and black paint job and black and red one, just look stunning. This is the first type of box mod and tank (bar maybe the Coolfire IV) that just look really cool. I am a bit of a sucker when it comes to looks (who isn’t?) and the white Subox is right up my street. My brother is absolutely loving it as well and takes it everywhere with him, much to the awe of his friends, who immediately ask where they can get one! For those vapers looking for something that looks really sexy then the Subox box mod and tank combo is a must buy.

Removable 18650 Battery and Magnetic Battery Cover

Kanger KBOX Mini Battery Compartment (Door)
Kanger KBOX Mini Battery Compartment (Door)

I really like that the Kanger Suboxes come with the ability to use a removable 18650 battery. Please note that there is no 18650 battery in the kit and please make sure you are using a suitable battery for sub ohm vaping (check out our best 18650 battery article for more info). This was one negative on the Coolfire IV that we reviewed the other day and one area I think the Subox has an edge.

The magnetic door on the Subox is fantastic and is held into place tightly by plenty of magnets. There is no rattling of the door and it won’t be falling off by accident. You do need to apply a little bit of force to get it off, but it isn’t difficult at all.

Pass Through Charging

My brother and I don’t really ever use pass through charging, but it is a nice feature on the Kanger Subox box mod.

Battery Sticker

Kanger KBOX Mini Battery Battery Sticker
Kanger KBOX Mini Battery Battery Sticker

This is more of a heads up as a lot of people were unsure what the black and red stickers were for in the packs. They can be used to stick on the battery to make sure the color of the battery matches the Kanger Subox. There is a venting hole in the form of the Kanger logo where you can see through onto the battery.


I think for $69.99 the Subox kit is priced pretty well and is a good deal. If I lost mine now I wouldn’t hesitate to get another one straightaway.

Easy to Use Screen and Good Size for Reading

Kanger SUBOX Mini Screen
Kanger SUBOX Mini Screen

Scrolling up and down between wattages is very easy and the accelerator works well. It isn’t too quick which I like. If you adjust the wattage by clicking the plus or minus it will go up or down in 0.1W increments.

The screen seems to have a slight magnifying glass to it, which makes it easier to read for those with bad eyesight. One of our complaints on the Coolfire IV was that the screen was too small and I think the one on the Subox is just right.

You can also flip the screen by holding down the plus and minus buttons. There doesn’t however seem to be a lock feature that I can find, but maybe I am just being silly!


No Spring Loaded Pin

The Kbox mini doesn’t come with a spring loaded pin, so this will mean you might have issues with some tanks. We tried some below to see if they worked or not:

Atlantis 2: works
Nautilus Mini: works
Arctic: works
Delta 2: works
Freemax Starre: works
Cown by Uwell: works
OBS T-VCT: works
Matrix: works
Isub-G: works
Herakles: works

I was expecting to find some tanks that didn’t work, but I couldn’t. I could go on and on trying tanks, but so far they all seem to work, so I can’t complain too much about the pin being fixed. Perhaps some RDAs and RTAs will have issues, but I am not sure. Let me know if you find any that don’t work in the comments section below.

Wattage Issue at Lower Wattages

This was brought to our attention on Reddit, as we were not using the Kanger Subox on the lower wattages, so did not spot this ourselves.

Apparently the Kanger Subox measures DC instead of True RMS. What this means is that at 7W the Subox is actually firing at 16.2W. This could be a big issue for those using mouth to lung type clearomizers like the Nautilus Mini, Protank and Aerotank Mini.

Here is the thread on Reddit where it is explained in more detail (link) and here is a pic by a German vaper called OBI who actually measured the actual wattage at different levels (link). Thanks to Knurlinger on Reddit and OBI for bringing this to people’s attention, as if true it seems like a pretty big issue. It won’t be an issue for those vaping on the Subox tank itself, as that runs at higher wattages, but for those using less powerful clearos, do keep this in mind.

Slight Color Difference between the White Subox Box Mod and Tank

This is just a very picky minor detail, but the tank on the white Subox is a marginally different white to that of the actual box mod section. It isn’t anything major, but a minute observation!

No Temp Control

This isn’t a massive negative, but temp controlled devices are becoming increasingly more available at lower prices, so I would like to see the next version of the Subox have temp control. I realise this might make it more expensive, but with the way the market is heading I think it will have to be introduced at some point on this device.


Overall I think the Kangertech Subox is a fantastic little tank and box mod combo and think at $69.99 from VaporDNA it is an absolute steal! As mentioned above, the looks of the Black Subox and White Subox are just stunning and look so dam sexy! Even the packaging is really sexy! I really love it and have yet to come across a set up that looks this good. I can see this kit appealing to so many vapers just because of the looks. Fortunately, the Subox is not just about good looks, as it also performs very well. The new Kanger Subtank Mini on the Subox is a big improvement over the older one, in my eyes. The new vertical coils and improved air flow provide much better flavor at slightly higher wattages. The RBA section is also a good improvement with its larger juice flow holes.

Finally I like that Kanger have added a detailed manual, warnings and wattage recommendations with the Subox kit. This is great and more firms should be following their lead on this to ensure vapers don’t make any silly mistakes, especially when it comes down to battery safety.

Overall, despite the wattage issue at lower wattages and it not having a spring loaded pin, I think the Subox Mini, if used with the provided sexy white and black tanks, is a fantastic great performing combo!

I hope this Kangertech Subox review was useful and if you have any questions, just drop us a comment below.

Chris Kendell is the co-founder of Vaping360. He started the website with his brother and co-founder Alex in 2014, after Alex introduced him to vaping. Chris was immediately won over by the revolutionary and potentially lifesaving impacts that vaping can have on our society. In his minuscule spare time, you can find Chris travelling and exploring new places from his base in Germany, eating delicious food and enjoying a range of different sports.

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Thank you for a thorough analysis and review of Kangertech product. You’ve helped me decide between this and the Lavatube 2.5.


can i use my top tank mini (kangertech) to my Cool Fire IV (innokin) ?



Michelle Chapman

Hi I’m currently using an istick 20 w and a kangertech Aerotank , I want to upgrade I cant decide between a Kangertech Nebox or Subtank Mini, any advise will be appreciated.
Also can you buy Pound it by Banzai vape in the UK ??
Thanks Michelle

Reed Brentlinger

I have a 50w subbox mini….i see that there is now a 75w version of the same box. Anyone know if there is a software update of some sorts to make mine 75w capable?

Jason Fillenwarth

So i just received my subox mini and have only had about 3hours to try it out and I’ve had to change my battery 3 times. Mind you I also have a istick 100 watt and 10 4.2v 18650 batteries. So I always have fully charged batteries ready to go. The way i vape on a normal bases is about a 4 second hit at a time and I probably hit it about 4 times every 5 minutes. Now on my istick i can vape from 6am to 8pm on the same batteries before I have to change them. Why am I only getting 20min out of the same batteries on the subox? Also i vape at 25 watts on both devices.


How low can i run the juice in the tank

Alex Kendell

Always check to see if the liquid level reaches the liquid holes of the coil, if the liquid covers it you are good to go, if not you need to fill it up.


Got a Q for yall i got a 75w topfill kangertech mini and it came with the kangertech mini tank the flavor is great no leaks no complaints but i want bigger clouds can i buy a better tank for bigger clouds or should i buy new mod and tank thanks for any help


The kangertech Subox will give you flavour. The kangertech subox mod is fenominal. But the tank with its small air intake holes aren’t worth a danm. What I did was bought an arromamizer v2 by steam crave. Then you are good to go. It’s an rba so you’ll have to change the cotton now and then, but the flavour is top notch, the clouds are big, not ridiculously like the tfv8 but they’re big enough. It’s the perfect match. Getting those huge clouds eats up 10ml of eliquid in minutes. While big clouds on the aromamizer v2 keep you juice around longer. This is you’re choice i just want you to know that since I got ride of it to chance gargantuan clouds, I’ve been going thru eliquid faster than I can afford.
Friendly tip from a fellow vaper

Alex Kendell

Well, it depends on how much clouds you would like 🙂 If you want to go for crazy clouds
I suggest you get a higher powered mod and a larger/better tank. Here are some pages of ours that might help:


i have subox mini 50w, can i change to dual or triple coil to have more clouds or smoke?

Alex Kendell

What coils are you talking about? Or are you talking RDA/RBA?


I’m having a really hard time figuring out how to change my coil! Can somebody help me please

Alex Kendell

What is the exact issue? Is the coil stuck?


I’m having such an issue changing my coil, I really need to change it can you help me please!


Hi, will a Griffin RTA subtank go well with the Kangertech mod?? Currently using the stock rebuildable and it’s great, but other more vape-savvy buds of mine recommended me getting griffin. is it a good idea?


Hi folks. Just got the kanger mini and I am a lazy noob I dont build my own coils….but the storebought .5 atomizer is working great. I was kind of worried about reading reviews of leakage thats my biggest pet peeve! It has been a week for me and no leakage so far. With 50% VG juice and a .5 coil I can get vapor as low as like 18 W and for me 22 W is the golden spot. I smoked 4 packs a week before vaping and this toy satisfies my addiction. I noticed that after filling the tank or just randomly juice will get stuck in the part where you plug in the drip tip…so I get a Q-Tip and clean / absorb the liquid from that area and poof no more crackling and spitting. For me it starts to get real hot above 25 W so 18-25 Watts is my range with 22 being the sweet spot. Its recommended 25 W – 50 W for 50% VG juice I believe and that is Wayyy overkill. If you are just buying this I would recommend starting at 10 or 15 W and slowly going up until it gets too hot then go down a few points. It is a noticeable difference how fast the juice dissapears on a high Watt and if you crank it up you will really burn through juice and $$ so for me 22 Watts gets me huge clouds and a nice buzz and one tank can last more than a day using it constantly. The only drawbacks I have noticed is that sometimes the tank can get a tiny bit of juice on your fingers and it leaves a little bit of flavored residue on my lips along with slight drymouth. Nowhere as bad cottonmouth as a real cig but still noticeable. Also this thing weighs a ton compared to the vision spinner 2 / aspire tank I used the last 18 months.


Oh I forgot about the nicotine…I vaped 18 mg for the last year on the vision spinner 2 / aspire BVC tank and on the Kanger the 12 mg is just as good as the 18 on the older models of tank! Awesome 🙂


I have been looking to get a new vape kit for a while and been stuck on which one to get, I really like the look of the kanger subox but have seen nothing but complaints about leaking from the tanks which is throwing me off purchasing one. Is there a tank, preferably white, which is compatible with the the mod box ?


Hello, just a suggestion here, you guys should try the Kanger KBOX 120, it takes two 18650 Baterys and runs every tank that ive tried on it so far. I absolutely LOVE it! Give it a look!

Alex Kendell

Review coming soon.

Caitlin Sarcastic Stoneman

Hey there! I have the Aspire Atlantis Tank and a CF Sub Ohm battery. Do you think that this vape would be better than my current one? I’m looking to upgrade. Would love to hear from you Alex!!

Alex Kendell

Hey Caitlin, well it depends on what you want from your vape. It is an upgrade, it has a screen, space for an 18650, more output wattage, more control over your desired wattage, personally I also think it looks better than the Aspire Premium kit.


Just picked up my Subox a couple weeks ago. Great kit! Using the 0.5-ohm coil and 80% VG juice at 30 watts.

After about 2 weeks of use, my juice is starting to leak through the air holes at the bottom (I think).
I’m looking to replace the tank anyway though. Can anyone recommend a good tank to use with the Subox box?


Kangertech subox mini is garbage! “period”. !

There are much better Mods with higher technology! Don’t recommend at All!!

MarioandSabrina Gallegos

Can you use any flavors in the subtanks or does it have to be ones the have the droppers?


Alex Kendell

You can use any flavor you like, please careful whilst using the 0.5 ohm coils to use higher VG liquid.


Kangertech makes cheap crap that breaks frequently and then expects you to wait 6 weeks for a repair or warrenty replacement. just avoid their products. so many other choices. get an joyetech or innokin product.


I have one of these units and have had nothing but problems with it. It leaks like a sieve, replacement coils simply don’t work, they are junk after a couple of months. I’m throwing mine in the garbage tonight and will NEVER purchase a product from this inept company again. I am telling all my friends who are telling all their friends about this inferior chinese made piece of crap. May your company rot!

Alex Kendell

Hey Mark, sorry to hear you had problems. Why did you not just send it back to the shop you brought it from?


It has been back to the shop twice in the last week.


Hi, I have a question about batteries.
I accidentally purchased an Efest 18650 button top IMR 3100mAh 20A battery for my kanger subox mini starter kit when I first got it.
Now I noticed that I should’ve preferred a flat top battery, which I sadly didn’t.
Button top battery is fitted pretty tightly in my subox mini(I’m not quite sure how to remove it lol) and using like this for over 10 days now.
I’m wondering is this safe to use or should I replace it with a flat top battery?..

Alex Kendell

Hey Ismail, I would definitely recommend using a flat-top for the SUBOX.


Help meeee :(..


Thanks for the answer Alex. I’ll order another battery with flat top as soon as possible than 🙂 But I just want to know until then am I safe to use this one? I mean I’m kinda afraid to blow things up/burn down my house lol.

Also I’ve got one other question.
Right now I’m using it with One 0.5 ohm OCC Coil and around 20.00W. Is it cool to do that with this battery? I couldn’t figure it out how to calculate via steam-engine.
Forgive me if my questions are silly but I’m kinda new around vaping sociecty so I really appreciate the help mate :)..

Battery has no issue about heating by the way, it’s pretty cool..

Alex Kendell

Hey Ismail, the rule of thumb is that regulated mods can always take flat tops, but
some mechs, especially hybrid mods need to have button tops. Whilst it is not bad to have a button top battery for your SUBOX it is recommended to use flat top for all of your regulated mods. Is is safe to use until your flat top arrives. Coming to your second question, yes it is fine to use the Efest 20A 3100mAh (you should be able to use it up to 75W on the 0.5, but the coil will be unable to sustain such power). Please check our Vaping Battery Safety Series for further information:


Thank you very very much Alex. You are the man! I’m watching the battery safety series right now. You’ve been very helpful my friend 🙂 Have a wonderful weekend and take care. Greetings from Istanbul..

Alex Kendell

Glad I could help mate, enjoy your vape! You too! Greetings from cold but sunny Germany!


I recently purchased the white sub box mini and got some boosted juice (anti-lag) which is 60% VG and have a hard time trying to find a sweet spot with the wattage settings. Im a noob when it comes to what sort of juices work best with this sort of stuff. Any recommendations would be appreciated.


Alex Kendell

Hey Evan, 60% VG juice should be fine but I would not go for max VG for the SUBOX, as it can’t handle high VG too well. We vaped some 75% VG at around 35W, that seemed to be the sweet spot. For 60% I should think it can handle 40W with no issues, if that is a bit on the warm side try going down to 35-30W, in the end the lower the wattage for a nice vape, the longer the coil life is. Hope that helps!


Thanks Alex. I’ll play around with that. Appreciate the reply.

Alex Kendell

Anytime Evan, update me as soon as you know!


I have set at 30w and that seems to be giving me the desired effect.

Alex Kendell

Awesome, enjoy!


I bought this starter kit yestday and my tank is leaking from the drip tip and the air vents does anyone have any advice to help? Have i flilled it wrong?

Alex Kendell

Are you using high PG liquids on the 0.5 coil? Are the o-rings still on the coil? Is your coils screwed in properly? If all else fails, take the tank apart, clean it and give it a good dry. Hope that helps!


Cheers mate will take a look at it 🙂

Alex Kendell

Great, keep me updated!


So my juice is low pg so thats not it, apparently if you turn the glass sleave the other way around it solves the issue
so ive done that and it seems to be fine. ive also seen other people buy better o rings but i will see how this goes


ive been using the white kit for a couple months, and the connector pin is dead. won’t read on any battery. i would suggest staying away from kangertchk tanks. my friends have had the same issue since too.

Chris Kendell

Sorry to hear that Mark. Thanks for the info.


Hey so i need some help i recently dropped my box and when i tried to put the battery back in it wouldnt fit anymore, im not sure if its cause of the box itself or the battery. please help


recently i dropped mine and when it fell i tried to but my battery back into it but for some reason it isnt fitting anymore
i dont know if it has to do with the battery or the box itself please help


Hey did you get the pin to drop back down? I just dropped mine last night and the same thing is happening to me.


Chris this JUST happened to me. Where the battery goes into the mod there are two silver parts at the top and the bottom. The Top metal piece is spring loaded, sometimes that piece gets jammed and doesnt pop back down to lock the battery in. Get a screw driver or something small with a narrow tip and try and mess with it to get it to pop back out. Make sure you take your tank off when you do this too. It made it easier. Hope this helps

Alex Kendell

Thanks Dustin, I hope this helps Chris.

Alex Kendell

I am sure it is just the housing of the kbox mini that has been dented. Please take a close look at the battery before using it again to see if there are any dents or anything that could make it unusable.


Does anyone else have the same issue of high wattage producing nothing but severely burnt, dry hits? I see in this review, mention of 35 and 40 watts with clean flavor but anything over 24 or so on mine, is immmediately unbearable. Most of my juices are around 70% VG, so I can’t imagine that’s the difference considering the one used in this test was 75%.


I was having this issue as well however now what i do is poke a small whole in both inlets of the coils with a needle and flush the cotton as well. This causes more juice to go into the coil allowing for wet hits. 35-40 is my settings (.5 ohm COIL) and can hit it unitl the light starts blinking and no dry/burnt hit


You’re right. I rarely go above 25 watts on my Subox mini. I just tried 30w for shits & giggles & it started tasting somewhat off. Back down to 22w & delicious flavour & oodles of clouds (70% VG).


Hi all,i’m just surfing around looking around for some sound advice from the more experienced vapers out there.I’m sorry if i mess up the description but i’ll try anyway (please go easy on me lol) Aaaaanyway i’m using the kbox mini with a haze mini drip containing dual 28awg coils at 5 wraps each.Resistance reading is about 0.3ohms.I’ve just tried firing it at 40W and i feel i’m getting great results that i’m quite happy with.I’d just like to know if that’s pushing the mod past it’s safe working limit.If it is then i’m more than willing to dial it down but i’d really like to know if it’s ok or not to keep vaping with these numbers for this setup.Thanks for taking the time.Cheers

Chris Kendell

Hi Liam. It depends on what battery you are using. The Subox can fire down to 0.3ohm no issues at 40W. Just make sure you are not exceeding the Amps of your battery. Use this calculator for reference:


Wow ta for the calculator,used it and came up with 11.55A so it should be ok then seeing as it reads 40A on my battery.Thanks again ever so much for the reply.Would you be able to recommend any good places for someone who basically needs things explained in the most simple way possible?If not that’s fine,im pretty chuffed with that calculator.Cheers again mate.

Chris Kendell

No worries at all Liam. The goal is have all the content for all levels of vapers on our vaping 101 section! We will soon have a battery safety line coming out (first article tomorrow and then one a week after) as well as a guide to temperature control (first guide coming tomorrow as well). We will be doing as much content as we can going forward to help vapers learn all the basics. If you have any suggestions for articles that you think would be helpful just let us know! Thanks


Thanks again,bookmarked and subscribed.Read your article about battery safety and i do feel like i know more about safely vaping.It can get quite get daunting with all the advanced lingo being chucked around in other site discussions,end up feeling i’m in over my head.I’ll definitely be looking around your site more.Keep the great content coming mate.Cheers!

Chris Kendell

Thanks for the kind words Liam! Plenty of awesome content coming soon.


These are decent tanks (Box is great) but I vape a 80+VG liquid and these have a hard time wicking.. Just food for thought.. I ended up needing to upgrade within a week.,. Got the Crown. Better coils and all around better tank, I do use it with my box mod from Kanger..


I have the subox mini with 26g kanthal 6 wraps @ 2mm diameter and 80% vg and getting nice cool dense clouds. This build yields just under 7ohms nice and stable. Found that running ~20 watts is plenty. Also do not cram too much cotton in there like you would running a high pg. That way it wicks just fine. I would not recommend using the occ coils if using a higher vg.

Chris Kendell

Thanks for the heads up Wally. We used 75% VG and it wicked ok for us. Good to know anything above that doesn’t work well, thanks!


Hey, so I’m thinking about purchasing the Kanger SUBOX Mini Black Starter Kit but for e-liquid would I just purchase any kind I’d like, or is there a specific kind of e-liquid it can only take? I’m new to vaping so I’m not quite sure what’s okay and what’s not!


Alex Kendell

Hey Kelsey, that is the awesome thing about the SUBOX kit, you can use whatever liquid you like. It is great for both mouth to lung and direct hits for more clouds. It all depends on what you want, if you would like more clouds then you should go for less nicotine and more VG (vegetable glycerin). If you want more of a mouth to lung hit then go for more nicotine and a higher PG base liquid. If you have any further questions don’t hesitate to reply!


this tank does not Wick well with high VG liquids.. Beware..


I use 70% VG & it’s perfectly fine – both with the 0.5ohm OCC and the RBA.

Best vaping purchase I’ve ever made…


Yeah until you upgrade to ucrown.. Best mod ever. Better coils too.. Stainless coils, never ever ever leaks and can be filled from top and bottom. Makes the sub tank look like a pos in comparison. Had the sub tank for 3 weeks before I tossed it for crown.. The sub tank you can only go to 20 before its horrible, now im vaping on 45 and the flavor is unlike anything I have tried before.

Alex Kendell

You took the words right out of my mouth *sings-meatloaf*


I find at a lower Wattage like 15-20 it works great. 20 for bigger clouds and more taste and 15 being of course less cloud and a mild flavor. That is with HIGH VG liquid and 0MG of Nicotine.

I Vape for the taste… I hate cigarettes, however, really liked to use my hooka. Which the SUBOX.. man it has been great!


Hey there…..,which mod has a more accurate wattage output between the sigelei 100w plus and this subbox mod??

Chris Kendell

Hi Arka. The Sig most likely, as the Subox has some accuracy issues at the lower end. I can’t say for sure, but that would be my guess as the Sig boxes tend to be fairly accurate. Hope that helps!


Ok and does this new subtank have better airflow than the older dual airflow subtank mini….,m talkin about the dual airflow silver subtank mini…,not the singke airflow one

Chris Kendell

I’ve never seen a dual air flow subtank mini in the stainless steel. The one I have only has the single air flow hole, perhaps you are thinking of the Subtank plus? Or maybe I just missed that one. The air flow is better then the original subtank with only the one air flow slot and the new coils are considerably better and also last longer.


Just got the new subtank…..,I feel the airflow is a bit too tight even with the dual open airflow….,as compared to the previous single airflow subtank mini,with the. 5 vertical coil….,dunno whats wrong, my atlantis 2 has loads more airflow than this….,do u feel comfortable while doing lung hits with this??Its a pain to do lung hits in this

Chris Kendell

Hi Arka. It definitely doesn’t have as much air flow as the Atlantis 2, but it is comfortable for me for lung inhales. I guess it comes down to personal preference. You could try using a drip tip with additional air flow on the subtank to make it better for you.


I love it so far, just picked mine up about 3 hours ago and has been charging ever since, how long does it take from a quarter of a battery to full? That is the only spec I can’t find about it. I got the black and red one if that makes a difference from the white and black one.

Chris Kendell

Hi Duchess are you charging it through the pass through mini USB port? I would recommend taking the 18650 battery out and using a proper 18650 battery charger as it should be quicker and safer. My brother and I don’t really use the pass through feature so can’t comment on how long it will take to charge like that. I would guess around 3 hours should be enough to charge fully. Hope that helps!


I absolutely love it! I’ve gone from the istick to this and I’ve had nothing but compliments on the sleek look. I do have just one concern, I am burning through these coils very fast. At first I didn’t know if I just got a bad batch of coils so I got one from another place just to see and it still went bad. I vape at a 29w and use the .5ohm and have gone through 3 coils in almost a month. Is this normal? Any input would be awesome!

Chris Kendell

How heavily are you vaping? 7-8 days of solid vaping is pretty normal for one coil to be honest, especially at 30W. The other option would be to use the RBA section and make your own coils.

Adelina Tschakert


I heard kangertech fixed the spring loaded pin. Is this true? If so, where can I buy the new one?


Alex Kendell

I am not aware that Kanger have changed the pin yet. The only way to stay on the safe side is to order directly via. the Kanger online shop.

Barbara Hensberger

Have had this combo for less than a week. Beautiful setup flavor is outstanding. Then day 3 it started leaking out the airflow holes. Is there a fix? First sub ohm capable tank coming from a nautilus mini. I was lovinhg it until the leaks now I’m wondering is this going to be a persistent problem. Thanks for any input.


Mine only leaks when I lay it on its side – & then only with the RBA. Never had a leak with the OCCs – whatever I do with it.

Alex Kendell

Yes we also had a leaking issue. What I did was I cleaned the tank out and dried it. I also checked to see if the rubber o-ring on the coil itself was still on. Since then it has not leaked.


How does this mod compare to the Vaporfi Vox 2 with the Volt tank? If price was not a deciding factor, which would you go for?

Chris Kendell

Hi there. Well the Vox 2 box mod itself feels a lot more solid in your hand. It also has some nice custom wattage settings which I liked that the Subox doesn’t have, but apart from that there is not much to choose between them.The new Subtank mini tank on the Subox is an improved version over the previous model, which is basically the Volt. I would therefore opt for the Subox, unless you want the US based six month warranty you get the on Vox2. The Vox 2 has lasted us a good 3-4 months and is going strong. We have only had the Subox for a couple of weeks now, so hard to tell how it will last in the long term. I personally love the look of the white Subox and that would be my reason to get it tbh. I hope that helps!


I’m torn between this the Coolfire 4 and the Joytech..Any help would be gratefully received!

Chris Kendell

Hi Tedster. The joyetech has temp control and the other two don’t. If you want temp control go with the Joyetech. The Coolfire IV is great and sits nicely in the hand. It is 40W but doesn’t come with a removable battery. if you want more wattage and a removable 18650 battery then opt for the subox. If not the Coolfire IV is a good choice. Note the Subox doesn’t come with a battery and you will need your own 18650.

Any other questions let me know.


Cheers Chris, I like the idea of battery removal as over time I believe, like phones, the batteries will decrease over time with usage and charging, at least that way you can buy new batts if needed. Not really into temp control, so subox looks like the winner, thanks for your help.

Chris Kendell

Yes I agree with you on the batteries. We also prefer to use removable 18650s on our mods. Enjoy the subox!


I am new to vaping (less than a year), and so far have chosen two isticks (30 and 50 respectively) for them being easy to get the handle of. I use both a nautilus mini and a subtank mini, and now I’m considering this particular combo, and this review helped. I have one question, however: how does a mod like this, with removable battery, fare with battery life? How many hours of moderate to heavy usage does it pack between charges?

Chris Kendell

Hi Michael. It will ultimately come down to the resistance of your coil and usage. On the 0.5 ohm coil on the new Subtank, you should be able to get a good day out of it for moderate to heavy usage. With a higher ohm coil on something like the nautilus mini you are looking at a few days at least. Its hard to define the words moderate or heavy usage as everyone will have something different in mind, but the good thing is you have the removable battery, so if you do run out, you can just pop in another one!


Fair enough. I move/travel around a lot during any given week, and being a chain smoker turned chain vaper I tend to panic when my battery dips below 50%. And a spare battery might not be always at hand. But a day of heavy usage on 1,5 coils would be ideal. Will purchase and get back with my impressions. Thanks a lot for your amazing review and input!

Chris Kendell

No worries at all, enjoy!


I have noticed an issue that is annoying me. Every once and a while, I will take a 3-5 second hit and have a burnt taste in my mouth. I have it set on 20W with a 0.5 ohm coil. Is there any way that I can avoid the burnt taste?

Chris Kendell

How long have you been using that coil Jakob? Sounds like it could be done. It shouldn’t be burnt hitting at 20W at all, if the coil is still good.


I just bought the coil and I have had it in for two days.

Chris Kendell

Yea it shouldn’t be doing that at all, perhaps its a dud coil. I would try another one and see how you get on.


Chris, seems like you know whats up. i have this leaking issue people are mentioning myself but it seems like its only with some juices. i have convinced myself if VG is above 70 its all good, could this even be a factor?

Chris Kendell

It shouldn’t really be an issue, but the lower the VG ratio the less viscous the liquid is meaning it might get through any gaps more easily. I would recommend making sure all the o-rings are properly in place and that everything is screwed together properly. Some people have seen their o-rings slipping slightly and this then causes a leak. Give the tank a clean and put it all back together properly and start from there. i hope that helps!


well i did all that and it solved my problem for a couple days but then started again and that is what has me jumping to these conclusions, it has been driving me crazy because i really dig this thing. I have found 2 juices that never leak but naturally neither are my favorite. i just dont know man… thanks for getting back to me though, preciate ya!

Chris Kendell

Sorry to hear that and must be annoying. When does it leak? After leaving it overnight or when you actually vape it? The only time ours has ever leaked was when we left it sitting on its side over night and the coil flooded and it leaked through the air vents. I guess the two e-liquids that don’t leak are very high VG, but honestly even with a 50/50 blend it shouldn’t be leaking. Kanger just don’t seem to be quite able to fix the leak issue. I hope you manage to work something out and if you do let me know!


yea… figured it was a hella shot in the dark, i just throw on some 311 and blow them clouds regardless but it is some leaky bullshit so same to you if you find out anything on your end by chance, later bro.Have a nice day or night, whatever.

Chris Kendell

Thanks you too!


I think i figured it out! I think I was getting burnt hits because I would set down the vape for a little while on its side, and I think I was drying the wicks by setting it on its side.

Chris Kendell

That could well be it!


Whats the recommended watts I should have it set to with the 0.5ohm coil and 0mg juice?

Chris Kendell

25-35W was good for us!


amazing review, from which i knew better for subox mini and finally made up my mind to buy black one from , has this box mod in stock , 58USD by free shipping.

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