HP41, N battery (N Cell), charging of HR1
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10-13-2020, 12:33 AM
Post: #23
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RE: HP41, N battery (N Cell), charging of HR1
(10-11-2020 10:56 PM)Dave Frederickson Wrote: Your charger appears to charge the 4 cells in series. Is that correct? Yes ... 6V over the 4 batteries in series (have not measured the charging current yet). (10-12-2020 03:56 AM)Wes Loewer Wrote: "Replace" or "recharge" every year? Leak is not the correct word. On 1 occasion I have seen a bit of greenish, foamy 'rash' on the + side of 1 of the batteries after what must be 50+ recharge cycles in the HP-41 I use with the card reader and IR-printer at home. My HP-41 at work never had any issues and usually will run on the same charge for weeks/months. I now have 3 battery sets I rotate between the 2 machines, keeping 1 charged at all time, replacing the entire set if needed (better safe than sorry). |
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