battery swelled

eletroenergy · Mar 16, 2021

Why did my Xiaomi BM20 battery swell inside the device? how to avoid this again?

the culprit is my universal charger?

crutschow · Mar 16, 2021

eletroenergy said:
Why did my Xiaomi BM20 battery swell inside the device? how to avoid this again?

the culprit is my universal charger?

Could be the charger.
Why are you not using the charger designed for the device?

Nigel Goodwin · Mar 16, 2021

crutschow said:
Could be the charger.

Yes, looks like a completely useless charger - not at all suitable.

The battery pack also has multiple connections, presumably for temperature sensing etc.

eletroenergy · Mar 16, 2021

I needed a universal charger that would carry any type of removable battery and this model was the only one I found, if I bought 1 charger for each battery I would not have money it would be expensive

Nigel Goodwin · Mar 16, 2021

eletroenergy said:
I needed a universal charger that would carry any type of removable battery and this model was the only one I found, if I bought 1 charger for each battery I would not have money it would be expensive

So it's not expensive using a completely wrong charger and destroying the battery? - you're lucky it didn't set on fire and burn your house down.

There's no such thing as a 'universal' charger, and most low cost chargers are completely crap anyway - just crude unsafe devices.

eletroenergy · Mar 16, 2021

I have BM20 batteries from Xiaomi and BP-5L from Nokia I have original and parallel

but each battery if i buy a different charger i have no money

Pommie · Mar 16, 2021

eletroenergy said:
i have no money

Is that because you keep buying new batteries instead of a good charger?

Mike.

eletroenergy · Mar 17, 2021

what good universal charger?

Pommie · Mar 17, 2021

eletroenergy said:
what good universal charger?

Nigel Goodwin said:
There's no such thing as a 'universal' charger

I guess you missed this statement.

Mike.

crutschow · Mar 17, 2021

eletroenergy said:
I have BM20 batteries from Xiaomi and BP-5L from Nokia I have original and parallel

Then I suggest you use only one battery type and buy a good charger for that battery.

battery swelled

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