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Had to remove a punctured battery. Will it still work with just one?

Hi.

While attempting to repair a loose and disconnected USB charging port, I accidentally punctured one of the two batteries when trying to open the plastic enclosure :(

I've seen a little spark, a little smoke and a fruity smell. As it remained stable and not showing signs of overheating, I quickly finished opening the enclosure, taped the hole in the battery, disconnected it from the PCB and put it away in a bucket full of baking soda, as it seemed to be swelling slowly. This one is done.

Now just one of the two 3.7V 10000mAh batteries remains. This power bank has two 10000mAh batteries arranged in parallel.

While it seems to be still functional (despite not charging past 2 bars out of 4), can I still use it safely as a 10000mAh powerbank?

Thanks for your advice!

Alex

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Alex  do not use it since you are running the risk of having this battery go up in smoke. Replace it to be on the safe side.

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The punctured battery is out of the device for this purpose and will not be used anymore! :)

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Sorry did not read the whole question. Yes, you can still use the power bank. For as long as your power bank is not "looking" for both batteries and charges the single battery, it will continue to work at half capacity.

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How can you tell? :) It was full before the damage (4 bars out of 4). I've put it on charge to appreciate its functionality. Now it shows a blinking 3rd bar and won't charge any further and shows 2 bars out of 4 when unplugged.

I wonder if it's a correct behavior for the charging circuit. I don't want it to overcharge the remaining battery.

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I looks like it realizes that there is only one battery (done through resistance etc.) It won't overcharge your battery but may not charge it correctly

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Thanks! I'll report here how it behaves.

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