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Amazon.com: Rome Tech CR2032 CMOS Battery for HP ProBook 640 / HP ProBook 645 G1 / HP ProBook 645 G2 / Dell Vostro 5320 - Laptop Backup BIOS RTC 3V CR 2032
Are CMOS batteries made specifically for PC's? Could I use another watch battery assuming it fit the slot and was rated for 3V? - Quora
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