The Museum of HP Calculators

HP Forum Archive 20

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A propos battery life
Message #1 Posted by John Mosand on 3 Jan 2012, 10:32 a.m.

My 10c from 1982 still operates nicely on the original batteries! It was used quite a bit until I got my 48SX in 1990, then occasionally. The 48SX has been used almost daily since then and I've changed batteries only twice. Any better?

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