The Energizer 2032 3V Lithium Battery may be small but it offers great power and performance. Replaces the motherboard battery to keep some BIOS settings, such as system time, from resetting when powered off. Compatible with most laptop and desktop motherboards. Please compare this battery with the battery from your motherboard for compatiblilty. You can also use this Energizer CR2032 battery to power your car’s remote, or your PDA, watch, wireless light and other small electronics. Made of quality materials, this CR2032 lithium battery can last for a long time, depending on how often you use it.