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Converting HP-25 to NiMH batteries, possible?
07-20-2022, 04:26 PM
Post: #3
Maximilian Hohmann Offline
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Joined: Dec 2013
RE: Converting HP-25 to NiMH batteries, possible?
Hello!

I operate these calculators with NiMH batteries only. Works nicely as the batteries have 4 to 5 times the capacity of the original NiCd batteries. And always charge them externally, never ever connect the original charger to the calculator. Never.

Regards
Max
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RE: Converting HP-25 to NiMH batteries, possible? - Maximilian Hohmann - 07-20-2022 04:26 PM



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