Letter Re: Advice on Stocking Up on Batteries
Sir; I was wondering: How many batteries should I store for all my radios, flashlights, smoke detectors, and so forth? I’m also planning to get night vision goggles, soon. I assume rechargeables, right? If so, what kind [of rechargeables], and who has the best prices? – T.E. in Memphis. JWR Replies: I recommend buying mainly nickel metal hydride (NiMH) batteries. Stock up plenty of them, including some extras for barter and charity. Unlike the older Nickel Cadmium (NiCd) technology, NiMHs do not have a “memory” effect. (The diminished capacity because of the memory effect has always been one of the …