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Recommanded NiMh battery cells for HP82162A
09-27-2017, 09:59 PM
Post: #56
RE: Recommanded NiMh battery cells for HP82162A
(09-27-2017 09:50 PM)Dieter Wrote:  The four contacts in the calculator as well as the four springs in the battery holder are the same for each of the four batteries. So if these work fine for the flat minus end they should also be fine for a flat end at the plus side. ;-)

I assume Joe was referring to the fact that the flat-top cells are shorter, yet the springs are still strong enough to maintain contact, but I'll let him confirm for sure.

Joe - note that with flat-top cells, you should 'stretch' the springs in the holder a bit to ensure they're tight, else when the machine gets bumped or horror-of-horrors, dropped, you may lose momentary contact. This rarely will lead to mem lost for the 41's RAM, but it can cause the clock to reset - this is exactly what happened to me, and took a while to figure out.

--Bob Prosperi
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RE: Recommanded NiMh battery cells for HP82162A - rprosperi - 09-27-2017 09:59 PM

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