Resolve Windows 10 related issues for your HP computers or printers by HP Windows 10 Support Center
I have an old 12 C Calculator and need a new battery. 1990's model. I have been told I cannot list serial number but i starts with CNC.
You will need to use the serial number to select the correct battery from the chart below this line. You can source the battery from an online vendor or perhaps even at a CVS drugstore.
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