battery swelled

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

the culprit is my universal charger?
Click to expand...
Could be the charger.
Why are you not using the charger designed for the device?
 
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
 
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
Click to expand...

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.
 
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
 
eletroenergy said:
I have BM20 batteries from Xiaomi and BP-5L from Nokia I have original and parallel
Click to expand...
Then I suggest you use only one battery type and buy a good charger for that battery.
 
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