Nothing lasts longer than the powerful Energizer Ultimate Lithium AAA batteries. All Ultimate Lithium batteries are designed with safety and leak protection in mind for standard use. This means you can rely on them to protect your valuable devices from damage caused by leaks and corrosion. These batteries are ready for use in extreme temperature conditions ranging from -40 °C to 60 °C and can hold their charge for up to 20 years. This makes the Ultimate Lithium batteries the top choice for safely powering your essential devices.