Small powerbank from Vape batteries

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Small powerbank from Vape batteries
Files on Tinkercad www.tinkercad....
Here is a typical eBay listing for the control board, www.ebay.co.uk... I am not recommending this seller, just using the listing as an example. I am sure if you search you will find a variation in prices etc.
Update: I have just been asked about the "charger doctor" so here is a typical eBay listing for one of them. www.ebay.co.uk... Again I am not recommending this seller, just using the listing as an example. I am sure if you search you will find a variation in prices etc.
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25 сен 2024

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Комментарии : 184

@groggers Год назад

When balancing the voltages of cells you are connecting in parallel, it is recommended to first connect a 100 ohm resistor between the cells. This limits the current and allows the voltages to equalise while maintaining a safe temperature.

@meltedcheese1091 Год назад

Thanks mate, you’re a lifesaver. my first foray into recycling vape batteries, I made a 12 V lipo (3S3P) to power a fan and while charging, it went off like a smoke bomb and I wanted to make it safer before I attempted again

@billyjoegilmour95 11 месяцев назад

I connected 3.41v lipo with 3.89v lipo battery and I used resistor leads has Fuses they didn't blow up but it took about 10 minutes for them to get back down to 20°c and the cells when connected went up to about 35°c in that time so was I forgot I put two lipos with different voltage together I think I was lucky enough to tell the tale

@Palmit_ 8 месяцев назад

heya @@meltedcheese1091 i'm looking to do similar as you did, 12v. what charging / bms boards did you settle on?

@0eroOverride 6 месяцев назад

Thanks buddy. I have wondered that and only recently bothered learning circuit board diagnosis so I’ve seen them on BMS, but never with cheaper ones that don’t have internal balancing. Might be a good idea to use a resistor equal to the c rate of the batteries

@jantrisko 2 дня назад

This video is a tutorial on how to set fire to a house. When connecting batteries in parallel, it is advisable to have them charged to the same voltage. The use of very undervoltaged cells can lead to a very small capacity of the power bank. Otherwise a good idea, but very terrible execution. I recommend not following such a procedure.

@meetjeric Год назад

you are such a good advocate of recycling those disposable vape batteries from them being thrown into waste

@MikeJones300-m3y 4 дня назад

Im glad someone is doing something with all disposable Vapes. What are the new thing that's polluting the world. I think ecoatm should buy them but they would literally fill their machine. They're actually good batteries and getting better too

@hotrodhunk7389 6 часов назад

Most are refillable a few times FYI With a bit of elbow grease 😂

@groggers Год назад

I have tested about 60 of these cells & the capacities vary considerably. Some of the worst have been 545 mAh while some of the best have been even up to 640 mAh! It is especially important when connecting them in series to match the capacities. If one becomes discharged before the others in a battery pack, the healthier cells will try to reverse charge the lower capacity cell. This must be avoided at all costs! Like everything with lithium cells, this is a serious fire risk.

@shanehowerton175 29 дней назад

This video is very thorough at describing exactly what this power bank is capable of. Thank you for the detailed demonstration.

@groggers Год назад

I bought myself a metal 50 cal ammo box and I keep all my vape batteries in there. A biscuit tin is better than nothing, but I think it would still melt through if all of them were to light on fire. Stay safe everybody and make sure you're respecting these lithium cells. Don't store them with any combustible materials, don't pierce them with sharps, don't leave them in direct sunlight, and don't overheat them when soldering the tags. Don't overdischarge them too! If they fall much below 2.5 volts the internal chemistry can begin to change & they degrade. This can increase their internal resistance which leads to heating on charging & discharging, which becomes a fire hazard as they exceed their safe temperatures!

@billyjoegilmour95 11 месяцев назад

Interesting how you was saying about internal resistance because I tested one it had 65 ohms and other one had 35ohns so we need to remember to use same cells with same condition same voltage and same mahs and same internal resistance because if we don't we could have problems with them thank you for letting other people know ❤

@eyefishinggunkchannel1011 9 месяцев назад

No rhey womt burn through a bicky tin@@billyjoegilmour95

@malsurvives 2 месяца назад

I've rescued hundreds of these batteries from disposable vapes. They always charge OK, using a TP4056 charging circuit (with protection). They normally start charging at around 45 to 50 mA, and gradually fall to around 8mA after two and a half hours, having taken a charge of between 500 and 550 mAh.

@iantcroft Год назад

You should really advise disposing the lipo’s that are under 2.5V or try to charge each cell individually to the same voltage then connect them together in parallel. Have you tested the little power bank modules?

Small powerbank from Vape batteries

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