Energizer Ever4pk AA Ultimate Lithium L91bp 4 Batteries

Lasts as much as 8X longer in virtual cameras, 3.5 hours longer in CD avid gamers and 5.5 hours longer in MP3 avid gamers than odd alkaline batteries – Weighs 1/3 lower than usual alkaline batteries – Operates in excessive temperatures from -40° to 140°F – Made in america – Nominal voltage is 1.5 volts, non-rechargeable