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But if these batteries are rechargeable, you need a charger. That’s where [Jon]’s entry for the Hackaday Prize comes in handy. It’s a small, cheap charger for LIR2032 and other rechargeable ...

It's often said that leaving rechargeable tool batteries on the charger is bad for them, but in DeWalt's case, it's not a big deal. DeWalt batteries are equipped with something called Maintenance ...

Sure there are pre-made kits to add a rechargeable battery and USB-C compatibility ... The star of the show is the popular TP4056 lithium-ion charger module. [HorstBaerbel] went with the more ...