Safely charging my 65
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03-21-2015, 02:32 AM
Post: #1
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Safely charging my 65
Having possibly fried the ACT chip in one of my HP-97 I'm reluctant to plug my HP-65 directly into the wall charger. I'd like to find some way to externally charge the battery.
I saw a thread by Geoff Quickfall mentioning that he was able to charge the batteries in his Classic calculator with one of the external HP-97 chargers. I have an external charger for the 97, but the "blades" don't line up with the pads on the 65 battery. I could make some modifications, but I don't know for sure how the polarity is laid out. Does anyone know a safe, reliable way to externally charge HP-65 batteries? |
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Messages In This Thread |
Safely charging my 65 - Brad Barton - 03-21-2015 02:32 AM
RE: Safely charging my 65 - Don Shepherd - 03-21-2015, 03:05 AM
RE: Safely charging my 65 - rprosperi - 03-21-2015, 12:20 PM
RE: Safely charging my 65 - Don Shepherd - 03-21-2015, 12:56 PM
RE: Safely charging my 65 - Brad Barton - 03-22-2015, 03:31 AM
RE: Safely charging my 65 - Les Bell - 03-24-2015, 01:43 AM
RE: Safely charging my 65 - Brad Barton - 03-24-2015, 02:22 AM
RE: Safely charging my 65 - TASP - 03-21-2015, 04:01 AM
RE: Safely charging my 65 - TASP - 03-22-2015, 03:47 AM
RE: Safely charging my 65 - PANAMATIK - 03-22-2015, 08:13 AM
RE: Safely charging my 65 - Brad Barton - 03-24-2015, 12:25 AM
RE: Safely charging my 65 - Don Shepherd - 03-24-2015, 01:04 AM
RE: Safely charging my 65 - Brad Barton - 03-24-2015, 02:16 AM
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