Energizer’s Ultimate Lithium is their longest-lasting coin cell battery. Designed with high drain devices in mind, these batteries are ideal for keeping you powered for longer. They’re available in the most common cell battery sizes to suit whichever device you need to power. Energizer is the world’s No.1 speciality brand. Energizer watch electronic batteries deliver long-lasting, dependable power for your coin-battery-operated items. Specifications 2-pack of Energizer CR2032 Ultimate Lithium Coin Batteries, our longest lasting lithium battery Delivers long-lasting, dependable performance in speciality devices like heart rate monitors, remotes, keyless entry systems, glucose monitors, toys, and games Holds power for up to 10 years in storage, ensuring you have Lithium Coin Batteries ready when you need them Cell size: 2032; IEC: CR2032; Type: Lithium Coin; Volt: 3 Replacement for: L14, DL2032, SB-T15, and 5004LC These lithium batteries can withstand a wide temperature range, from -30º to 60º