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Basic HP-97 Questions
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03-29-2021, 09:48 PM
(This post was last modified: 03-29-2021 09:49 PM by Dave Frederickson.)
Post: #3
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RE: Basic HP-97 Questions
From the 97 Service Manual, here're the specs for the 82033A battery pack.
Four cell, 4.4 to 6.0 volts, quick-charge, nickel-cadmium battery pack. • Operating time: 3 to 7 hours. Note: Battery must be in place to operate the calculator. • Recharging time: 7 to 10 hours, calculator OFF; 17 hours, calculator ON. The troubleshooting flowchart states that the no-load voltage from the battery should be at least 4.4V. Your 3.8V battery, is that what it measures or is that marked on the battery? It's rare that original batteries are still good. If you need a replacement, here's a source. https://www.ebay.com/itm/2200mAh-NiCd-Ba...4091690362 Dave |
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Basic HP-97 Questions - dhe - 03-29-2021, 08:56 PM
RE: Basic HP-97 Questions - Dave Britten - 03-29-2021, 09:10 PM
RE: Basic HP-97 Questions - Dave Frederickson - 03-29-2021 09:48 PM
RE: Basic HP-97 Questions - dhe - 03-29-2021, 10:49 PM
RE: Basic HP-97 Questions - Dave Frederickson - 03-29-2021, 11:42 PM
RE: Basic HP-97 Questions - dhe - 03-30-2021, 08:49 PM
RE: Basic HP-97 Questions - Dave Frederickson - 03-30-2021, 09:11 PM
RE: Basic HP-97 Questions - AndiGer - 03-31-2021, 08:43 AM
RE: Basic HP-97 Questions - dhe - 04-01-2021, 08:40 PM
RE: Basic HP-97 Questions - Dave Britten - 04-01-2021, 10:38 PM
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