Discover an expert technique to restore your old drill battery and make it feel like new again! With this simple yet ...
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 ...
That’s because he prototyped a way to use power tool batteries as an emergency source — basing his circuit on a 7812 linear regulator which got piping hot in no time flat. His next ...
Over time, you'll notice telltale signs a power tool battery requires replacement, which will only eat into your savings. You're better off attempting to extend the life of your batteries by ...
By Paul Hope Over the last 20 years, lithium-ion batteries have revolutionized indoor and outdoor tools. Cordless drills ...