Discharge protection built into MKR 1400

Projects General Guidance
1

Hi! I have an Arduino MKR 1400 which I would like to power with old 2500 mAh cells from a dismantled powerbank.

The device has a JST connector which works for LiPo batteries. I got one for testing. Works fine. The thing is that I know that the LiPo has a circuit for protection against overcharging and overdischarging, which I believe the simple cells from the powerbank do not. Would I need separate hardware to add this to the project (if so, any suggestions?), or is that already built into the device? Or could it even be added to the device using just software and a few extra wires, maybe?

I am a beginner and appreciate any advice

2

Yon need this:

3

What is the nominal voltage of those unknown cells?

4

Why not simply replace the cells in the power bank in place of building another one.

5

Thanks for you answers. I will go for a protection circuit module

6

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