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 ...

While most smartphones and accessories have largely transitioned to non-removable batteries, there is still a huge demand for disposable single-use cells. Certain electronics like TV remotes ...

Battery chargers are used to recharge batteries which, after discharge, can be restored to a fully-charged state. Rechargeable batteries or secondary cells differ in terms of design and chemistry.