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More power (literally) for the HP-41, follow-up.
06-30-2023, 04:51 AM
Post: #13
RE: More power (literally) for the HP-41, follow-up.
Just my personal opinion, Lipo battery is not safe for long term storage.

Corrently I use 4 N size Ni-mn rechargeable bettery.

HP35 HP45 HP55 HP65 HP67 HP21 HP25 HP29C HP19C HP97 HP10C HP11C HP12C HP15C HP16C HP31E HP32E HP33E HP33C HP34C HP37E HP38E HP38C HP41
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RE: More power (literally) for the HP-41, follow-up. - tangdfx - 06-30-2023 04:51 AM



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