Energizer Ultimate Lithium AA Batteries – Pack of 4
Energizer Ultimate Lithium AA Batteries – Pack of 4. Built on Lithium/Iron Disulfide (LiFeS2) chemistry, each cell delivers up to 3,500 mAh at a nominal 1.5 volts with a flat discharge curve that keeps devices running at full strength from first use to last. At roughly 33% lighter than comparable alkaline AA batteries, these cells reduce load on portable devices without sacrificing output.
Leakproof construction protects your equipment against corrosive damage, and a rated operating range of -40°F to 140°F ensures dependable performance in any environment. With up to 20 years of shelf life in storage, this four-pack is a reliable choice for everyday use and emergency preparedness alike.
Features
- Up to 3,500 mAh capacity per cell with LiFeS2 chemistry — world’s longest-lasting AA
- Approximately 33% lighter than equivalent alkaline AA batteries
- 100% leakproof construction (guaranteed under standard use)
- Up to 20-year shelf life in storage
- Rated for extreme temperatures: -40°F to 140°F (-40°C to 60°C)



