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HP-41 rechargable battery
09-11-2017, 05:36 PM
Post: #1
HP-41 rechargable battery
Did you realize that there are two different battery packs for the HP-41? One has 2 charging pins, the other has 3 pins. Both are coded HP82120A.
I'm currious as the charger for this unit has only 2 pins... the middle pin of the 3 pin version is absolutly "useless".

Matthias
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09-11-2017, 05:42 PM (This post was last modified: 09-11-2017 05:43 PM by Sylvain Cote.)
Post: #2
RE: HP-41 rechargable battery
(09-11-2017 05:36 PM)HP-Collection Wrote:  Did you realize that there are two different battery packs for the HP-41? One has 2 charging pins, the other has 3 pins. Both are coded HP82120A.
I'm currious as the charger for this unit has only 2 pins... the middle pin of the 3 pin version is absolutly "useless".

Matthias

Hello Matthias,

You can find the information on the HP82120A with two pins here and with three pins here.

Sylvain
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09-11-2017, 05:55 PM
Post: #3
RE: HP-41 rechargable battery
(09-11-2017 05:36 PM)HP-Collection Wrote:  Did you realize that there are two different battery packs for the HP-41? One has 2 charging pins, the other has 3 pins. Both are coded HP82120A.
I'm currious as the charger for this unit has only 2 pins... the middle pin of the 3 pin version is absolutly "useless".

Matthias

Of course we know, Matthias.

My first one was a 3-pins design.

Greetings,
    Massimo

-+×÷ ↔ left is right and right is wrong
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