Sony Rechargeable High capacity Ni-MH Batteries 1000 mAh - size AAA - blister of 4. Ideal for power hungry high tech devices: digital cameras, MP3 players, toys. Specifications Capacity: 1000 mAh Voltage: 1.25V Type: AAA (R03 KR11/45 Micro) Dimensions: 10 x 42 mm