Energizer Products - Lithium Batteries, Advanced, AAA, 8/PK - Sold as 1 PK - AAA Advanced Lithium batteries provide long-lasting performance in high-tech devices, such as wireless gaming accessories and handheld games, than standard alkaline batteries. Battery life lasts four times longer in digital cameras and lasts up to 30 percent longer in MP3 and CD players. Batteries offer a spirally wound construction that is leak-resistant. AAA lithium batteries operate well in extreme temperatures. Battery_Type - Lithium Battery_Size - AAA Voltage - 1.5 V Materials - Lithium Manganese Dioxide