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 ...

Owing to the fact that we no longer have horses (thank God), we no longer have a need for a hay shed. In the spirit of recycling and good neighborlineness, I offered the shed to our neighbors, ...

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 ...

I have a good DeWalt drill that is around 10 years old. I have three NiCd battery packs for it, all are getting a little tired, and besides that the charger is 110V mains while I now live in Australia ...