(NiCd) A rechargeable battery technology that is widely used for portable hand tools. It uses a nickel and cadmium plate and potassium hydroxide as the electrolyte. Originally invented in Sweden ...

Cordless power tool battery replacements are expensive: you can easily spend $100 for a NiCd pack. [henal] decided to skip nickle-based cells and cut out the middleman by converting his old ...

The batteries that power them have also changed over the years. Older cordless Ryobi tools were powered by nickel-cadmium ...

That’s precisely what happened to [Larry G] when the now antiquated 7.2V NiCd batteries used by his cordless drill became too hard to track down. The drill was still in great shape and worked ...