BIOS and CMOS Batteries for Laptops

Keep your laptop or device settings safe with a reliable CMOS battery or BIOS battery from BatteryMarket. These small backup cells power the BIOS/UEFI memory, helping your computer remember the date, time and hardware configuration even when the main battery is removed. In this category you will find popular 3V solutions such as CR2032 BIOS batteries with connector, ML1220 2-pin packs and model-specific replacements for Acer Aspire, Acer Travelmate, Asus EEEPC and Apple MacBook Pro, as well as compatible options for selected Garmin devices. Choose by voltage, capacity, connector type and device model to ensure a correct fit and stable performance. Replacing a weak CMOS battery can solve common issues such as lost time settings, boot warnings or repeated BIOS resets. Browse our selection of quality BIOS and CMOS batteries, compare specifications, and order the right replacement online for fast delivery and dependable everyday use.