Energizer Ultimate Lithium AA Batteries Pack of 18 Extreme Performance Exp 2050

Specs based on Energizer published data; actual performance varies by device. Model: Ultimate Lithium AA (L91). 33% lighter than alkaline AA batteries. #1 Longest-Lasting AA 20–25 Year Shelf Life -40°F to 140°F 33% Lighter Leak-Proof .