For small electronics of all types, the Energizer 2L76 is a high quality lithium coin cell battery. This battery is a 3 Volt lithium cell with 160 mAh capacity. 2L76 batteries are commonly used in household electronics such as keyless entry devices, electronic books, glucose monitors, watches, toys and calculators. Energizer is a world leader in high quality coin cell batteries, and this battery is backed with Energizer's quality guarantee. This battery has an estimated shelf life of 10 years, making it perfect for storage or stocking up for emergencies.