[onewhippedpuppy]

Originally Posted by legion

I've been using Sears Craftsman C3 19.3 volt tools for 15 years now. I used to have problems as described in the OP. I upgraded from NiMH to LIon, then just went to large capacity LIon. Outside of major project, I basically charge them twice a year. I have 4 batteries, and can charge two as I use two. Works great for high-load projects (like driving lag screws).

I have the same set. Impact wrench, driver, sawzall, and circular saw. Really the circular saw is the only one that doesn't measure up to the corded version. If I have more than a few 2x cuts to make I'll break out the mitre saw or corded circular saw.