Energizer L91BP-8 Ultimate Lithium AA Battery (8-Count) Posted: October 29th, 2015 — $14.50 For use in high-tech devices such as digital cameras, MP3 players, portable audio players, wireless mice and wireless keyboards. Lightweight and lasts up to nine times longer in digital cameras up to seven times longer in GPS devices vs Energizer MAX. Results vary by device. Operates in extreme temperatures from -40F to 140F. Leak-resistant construction. Holds power up to 20 years. Stock up and save Battery Type: Lithium Battery Size: AA Voltage: 1.5 V Materials: Lithium Manganese Dioxide.