Panasonic AM-4PA/4B Alkalineplus AAA Batteries, 4 Pack (Black) Ideal use with FRS Radios, Voice/Tape Recorders, Palm and Pocket PC PDA Organizers, CD Players, Digital Cameras, MP3 Players, and Other Electronics Dependable for low to mid drain devises Long 5 year shelf life Pretested and guaranteed Ideal for use in everyday electronics Blister packaging