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I've bought a vintage HP-12C from 1988 (serial number 2812A51719).
I've three silver oxide batteries SEIKO SR44W (357) from my trusty HP-42S and I don´t have the original "HP-12C Owner's Handbook".
Can I use this batteries for my HP-12C?.
Thanks in advance.
Waiting for your answers,
Adrian
Edited: 12 Oct 2013, 9:23 p.m.
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Yes, you may. I just opened up one of my 16Cs, and I've got three of them in there.
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Yes, you can.
The silver-oxide type is more expensive and lasts longer.
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