Readers had a variety of suggestions for the best way to upgrade/replace/recycle the old NiCd battery pack from a still-usable Makita drill. I asked the folks at battery pack designer Nexergy to read ...

We may receive a commission on purchases made from links. Ryobi has been making battery-powered tools for a long time. The company has produced several generations of cordless products, with a marked ...

This NiCd battery Charger can charge up to 7 NiCd batteries connected in series. This number can be increased if the power supply is increased with 1.65V for each supplementary battery. If Q2 is ...

Care must be exercised when you try to “quickly” charge a nickel-cadmium (NiCd) cell or battery pack at a current density that approaches or exceeds one-third of its capacity (C/3). As the battery ...

We may receive a commission on purchases made from links. When cordless power tools initially became mainstream, their batteries were made of nickel cadmium (NiCd). One of their biggest limitations is ...