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Powerbank for free or the second life of broken tablets


I have gathered under a bunch of tablets with broken displays and sensors, the restoration of which does not make sense.

And the batteries on them are working


There is nowhere to apply them especially well, so I decided to try to collect a bank and check it in battle. There were three batteries of almost the same size

They wound them with tape and connected all the batteries in parallel, that is, the black wires together are the same red. All batteries were with protection boards.


I used a standard lithium battery charge module to charge the batteries, and I found the module to increase the voltage in one of the broken tablets, it even had an indication of the load on in the form of an LED.


Well, then wrapped this whole device with silicone and of course with adhesive tape)))




In general, this bank has enough to charge the phone 3-4 times.

The device is not a luxury, of course))))), but you will not find a bank for 50 rubles (the cost of a charge);

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