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 ...

Most rechargeable drill battery ... structure of the battery cells. Rechargeable battery cells contain tiny crystals that retain energy. If a battery is not fully drained before getting recharged, the ...

Makita batteries are used to power their range of cordless tools ... If it says between 1.1 and 12 volts the cells is good. If it reads less than 1.1 volts, you need to replace it. Make a mark on the ...

What do you do, when your trusty cordless ... the cells. Firing up the drill with the new pack is not the immediate success he hoped it would be, the start-up current is so high that the battery ...

By Paul Hope Over the last 20 years, lithium-ion batteries have revolutionized indoor and outdoor tools. Cordless drills ...