Batteries are expensive, and as the proud owner of at least a dozen dead AA NiCD batteries I'm too cheap to discard, Indestructibles' latest hack will be the first I am certain to implement: reviving ...
A few years ago I bought several Black & Decker garden tools which run off the same 18v NiCd batteries - see photos in this post. I thought I was doing an intelligent thing when I acquired these tools ...