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Lomondra
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Solved!

HP12c button batteries use silver oxide or alkaline?

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HP12c

I have an older HP12c that uses the button style batteries, but it's been awhile since I got batteries and now I'm seeing two very different button batteries recommended and it looks like these are very different batteries and I don't wish to damage my still working calculator.

 

Alkaline Button Cell Battery:  Duracell PX76A/675A

Silver Oxide Button Cell Battery:  Duracell 303/357/76 

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Maké
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Message 2 of 4
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Hi!, @Lomondra :

You can use without problem, the batteries according the serial number of your calculator ...

 Supported model                                                                                        Description          Qty.    Common P/N°     Discontinued model

HP 12c (All serial numbers below CN11500001)*
1.5-volt button-cell
3
Duracell PX76A/675A
Panasonic LR44
11c, 15c, 16c, 42s, 32s, 17b
HP 12c (Beginning with serial # CN11500001), HP 12c platinum and prestige series
3-volt CR2032
1
Duracell DL 2032
Panasonic CR2032

*Including serial numbers that start with other letters and those that start with numbers.

From ... https://support.hp.com/us-en/document/bpia5189

Too, can use ... Maxell - CR2032

Kind Regards !.
Have a nice day !.
@Maké (Technical Advisor Premium - HP Program Top Contributor).
Provost in HP Spanish Public Forum ... https://h30467.www3.hp.com/
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BartdB
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Message 3 of 4
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Hi,

 

You can use either battery type (but not mixed). It is just that silver oxide will last longer than alkaline.

 

-Bart
_________________________________________________________
calculator enthusiast
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Maké
Level 9
3,551 3,490 180 541
Message 4 of 4
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Hi!, @Lomondra :

Please, if you are not going to use the calculator for some time, remove the batteries, because in contact, in addition to flowing millivolts, can deteriorate and damage the interior of the calculator.
Also periodically check the status of them, while using the calculator.
According to the Rules of Good Art, it is recommended to clean the poles before installing them, with an appropriate liquid or ethylic alcohol (pharmaceutical use 96%). Also, the contacts of each one, in its housing.

 

Kind Regards !.
Have a nice day !.
@Maké (Technical Advisor Premium - HP Program Top Contributor).
Provost in HP Spanish Public Forum ... https://h30467.www3.hp.com/
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