⚠️🚨 URGENT WARNING: TANK-G CAN BURN YOUR HOUSE DOWN! 🚨⚠️ 

Dear Valued Customer, Greetings! We are the official M-VAVE team. Regarding the battery issue, please rest assured. Our batteries have passed FCC safety certification, ensuring there are no fire hazards or other safety concerns. The current batteries have undergone safety isolation treatment. If you encounter any issues with the previously purchased TANK-G batteries, please contact the business for after-sales service. Thank you for your support and trust in M-VAVE products. Sincerely, The Official M-VAVE Team🤘🤘

I thought this video was going to be BS clickbait, BUT after watching this, as an electronics engineer by trade, I can say that this is 100% legit! I would go further, IMHO. 3:06 I would file down ALL the solder joints covering the area of the battery, put sticky foam over the entire surface of the battery AND put in a shim of thin hard plastic covering the area of the battery as well. The self-adhesive strip used for draught exclusion on doors / windows should do, and for the plastic guard, a piece of an old CD or CD case should suffice.

Thank you VERY MUCH!!! Opened yesterday my Tank-B (the bass version of Tank-G) and it had the same flaw!! Dremel it and applied double stick tape like you did and it is now safe. I'll try to warn other RU-vid channels commentary sections to see your video!! From Brasil to Italy, grazie mille!!

Got mine today and can confirm it has the fix (3m pads) already done from the factory 👍🏻👍🏻😁

Thanks for the tip, my Tank G just arrived, I'm going to open it and do that right away.

Thanks man. I don't have this unit but I bet you will save somebody from a real nightmare with your announcement.

Thank you for posting this. I’ve got one of these units and will check its condition and apply your solution as a precaution even if there is no damage. Very worrying that the manufacturer has not warned anyone about this so thanks again for taking responsible action.

I bought a Tank G from Aliexpress only 2 months ago. Just yesterday I decided to open it up as I had been aware of your video when I was looking at buying the pedal. My pedal now has a thick rubber pad over top of the battery and the solder is blunt. I can definitely see marks in the rubber buffer not just where the footswitch is but also along the front. My guess is because of the rubber there is no room between the footswitch joints and the battery anymore but this is much better than pushing down with your foot and pushing it into the battery. On a side note, I bought a Tube Screamer a couple years ago. As new made in Japan so I was stoked. When I played it there was no distortion. Only the tone and volume worked. Next time I tried it there was distortion and so it went sometimes on and sometimes off. After building the courage with the Tank G I thought I would open up the Tube screamer and have a look. I thought maybe a dry solder on the gain pot but when i opened the pedal there was a tiny piece of a foil candy wrapper sitting on the board touching some of the solder contacts. My uneducated guess is this is the culprit and I couldn't see any problem with the wire to the pot. When I put it back together it works fine. So now I just need to use it off and on and see if I fixed the issue. It's good to learn how to set up your own guitar and to at least be able to look inside pedals and amps etc. Very interesting.

I just burned up my second tank G by putting the master volume and the equalizer volume both over 50 percent. Sounds great but it tanks very well.

I've just checked and fixed mine. It had dents in the battery pack, but not punctured. I would note that a 1.6mm or 1/16" allen key is a better fit, but 1.5mm works if you're not too heavy-handed

Thank you very much. This is very important. After I opened it, I found that there were traces of solder joints on the battery. It is very dangerous. I have handled it according to your method. Thank you for your reminder.

It might be a smart idea too to replace the battery if you notice that its wrap is punctured or the unit was behaving weirdly due to this issue. there's always that non-zero chance that the jelly roll of the cell (that's literally what the internals are called!!) could have sustained damage that could result in future internal short circuits and fire if it hasn't already. The cell you want to look for is a type 755060 and the capacity should be 3000mAH... Although you could of course opt for a smaller cell than this. The downside is reduced runtime but the perk is that it should be less likely to interfere with the pins on the board. Especially if you also add some foam to shim the cell away from the board and protect it.

Just bought one and will check

Nice video! I ordered myTank G on June 22. After watching the video, I pulled it apart this morning and found that it already had A safety modification in place from the factory. How can M-Vave produce this unit, with this quality, at this price? Kudos to them.

Recently bought the Tank G version 2 and when I looked inside they already fixed the issue, it already has cushioning blocking the screws

Thanks for the warning I will check mine NOW! Checked it and it has a protective tape later on it from the factory. REALLY THANK YOU BERY MUCH!!!

Thank you for this tip, I am planning on buying the Tank G. Its great to know that I can DIY and mitigate the issue myself.

The manufacturer should recall item.

Thanks for this important information. As it happens, I just got my Tank-G unit today. Tomorrow I will perform the step supplied in this video on my Tank-G. Again, many thanks!

Newer Tank-G V2 do not have this flaw, a piece of foam has been added between the battery and the switch pads. Checked mine and it is OK.

Great video!!!!!!!! Thank you so very much!!!!!!

I checked mine and not only were those pins already filed smooth but there is also a foam pad protecting it. I bought mine from Temu a couple of weeks ago. Looks like they have fixed the issue on later models. Now if someone can tell me they've used the software - mine won't install for phone or PC due to warnings saying the software is malicious.

Wow, thanks a lot man! Mine had the same issue. I'll give it another go with a better file to make it even smoother... the adhesive protection was a great call :)

Thanks a lot dude

My new Tank G v2 has a piece of 3M foam to protect the battery already installed. It looks to be effective as well, as I see no marks or anything on my battery. I just opened mine to take a look, so at least they have addressed the issue.

I just took mine apart and it had the "vampire bite" on the battery exactly like the example in the video. I clipped off as much as I could from the protruding "legs" and filed them down as far as I could. I considered adding some hard plastic to the double sided tape, but there simply isn't the clearance in there to accommodate it.

The fact that M-vave didn't issue a global recall tells me they are a dangerously shitty company.

Thanks for this heads up video. I have a new Tank -G on the way, I will take a close look at it.Thank you.

I was actually looking at this pedal, but decided that, for me, having individual effects was a better way to go. I'd really like to see a review of Donners multi eco and multi reverb pedals. I own them, and they remain slightly warm, not hot, even when they are turned off. 🤘

Dear customer, regarding the battery issue, we have reported it to the technical department and made improvements. We are always committed to providing you with the best quality products and services, and thank you for your continued support and trust.

Thanks for the heads up. This is very important and someone can die. We see a lot of news stories about the scooter batteries exploding and burning down houses. Lets not have the music die as well.

What battery does the tank g have? I'm planning to replace my batteries. THANK YOU!

thanks for informing us! and also showing us mods for budget pedals like these

So it also functions as a lighter

Thanks Guy!

Bought TankG and my house became ash now, thank you for warning

there are a lot of solutions but from my perspective it is better to remove that battery and adapt an external power bank may not only solve the problem but guive more hours of use per charge cycle.

Thank you for this nice and straightforward review! 👍 This info is very useful and important to know... And I know this is a relatively cheap product, but I'm upset now knowing, that initially the battery was not placed within a closed, well protected, hard plastic cover by M-WAVE. I don't think it would increase the price that much, but for sure could eliminate the problem... 🤔 BTW... do you know, please what is the situation with M-WAVE's cheaper, similar multi effects, they sell for bass (blue), electric guitar (black) & acoustic guitar (light brown)? I'm planning to get those, they are about half the price of "Tank-G", have 3 foot switches, and the necessary "basic" effects... So they would be great, but I wonder if it is safe to buy them, or I should look elsewhere...!? 😕

Hello my tank g is coming, is filing the solder joints safe for the tank g will it damage it or making it malfunction by any chance?

i owned the Cuvave Cube baby, it didn't last long. Maybe longevity is the problem of cheap guitar pedals.

Hi guys, how can I find out what version Is my Tank-G ? Thanks

Pois é m, esse e o meu receio com o Black Box. Tem um preço bom ok, Porém só compro o Black Box depois de ver outros vídeos, Review

👊👊👊 Great tip, man!

I'm getting my M-Vave Chocolate Midi Controller today. Seeing that it also contains a Li-Ion battery, anyone got any ideas if one of its footswitches could also damage its battery? Thanks in advance!

It confuses matters a lot when it seems like the most recent firmware update made the whole device act kind of funny. I use the Tank G as a headphone amp, plug pedals into it because it sounds convincingly amp-like. I don't want to spend much more on amp.

Your background music makes it hard to hear what you are saying 😢

Why do people who don't speak English insist on writing things in English?

@M-VAVE my tank G is dead. I heard suddenly beeping sound and lights turn off.Again I open it but it is not working

my tank G is dead. I heard suddenly beeping sound and lights turn off.Again I open it but it is not working

Wow!

Honestly, as much as the Tank G is a cheap product, I wouldn't have bought it if I had known about this problem with the battery beforehand. Luckily, my battery wasn't punctured, so I took the necessary steps to protect it. But it is not correct that a product with such a serious defect is being sold without the company that sells it having so far made a statement about the problem and what measures it will take from now on to correct it. I like the product, but this battery problem made me never want to buy another MVave device again.

Thanks for sharing, really great info

Gibberish