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how to charge multiple LiPo batteries at once?
Moderators: adafruit_support_bill, adafruit

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how to charge multiple LiPo batteries at once?

by stareyes on Fri Jun 24, 2022 4:35 pm

So.... I'm working with a teacher whose class reallllly wanted to have all of their Circuit Playground (Classic) projects hung on the wall and on all... the... time... That means ~20-30 projects, each with their own battery. This led to a need to recharge the LiPo batteries (like this https://www.adafruit.com/product/1570), something quite laborious with just a little battery charger for one USB (like this one on Adafruit: https://www.adafruit.com/product/1570)

**Is there a way to charge multiple batteries at a time? **

Many thanks for any tips and tricks!

stareyes
 
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Re: how to charge multiple LiPo batteries at once?

by adafruit_support_bill on Fri Jun 24, 2022 6:39 pm

The only safe way to charge multiple LiPo batteries is with multiple chargers.

A less expensive approach would be to use a larger battery to power all of the projects at once. A 2200 mAh cell like this one is equivalent to 22 of the 100mAh cells you are currently using
https://www.adafruit.com/product/1781

We have 4400mAh and 6600mAh batteries as well:
https://www.adafruit.com/product/354
https://www.adafruit.com/product/353

That approach would require building a 'splitter' cable to power multiple circuit playgrounds from the same battery.

adafruit_support_bill
 
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Please be positive and constructive with your questions and comments.