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×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
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×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
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Hi!, @jgomes1987:
Welcome, to Forum!. 
If you use and needed purchase for change the two (2) Li-ion batteries 3VDC, CR2032,CN2032, coin type, see the date, in the blister, of expired warranty.
Didn't stay installed, in your calculator, the batteries, if you don't use by large time. Remember, what if installed, drain voltage, On or OFF (milivolts).
The better brand of, batteies are ... Duracell, Panasonic, Sony, Maxell, Energizer, etc ...
Before install, clean the both sides with pharmaceutical alcohol (99%).
The battery life, depend your use and is between, one and two year's.
Warning: Don't use rechargeable batteries. Each, have 3.6VDC (Appendix A, from Manual) ...
HP 10bII+ Financial Calculator
www.hp.com › ctg › Manual
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