The newest frontier in battery technology for power-hungry digital and high performance LCD type camcorders requiring a specially designed Lithium-Ion battery pack. Longest performance with no memory effect Highest quality Japanese made cells Original manufacturer approved protective circuit 100% compatible with original equipment chargers Lithium-Ion Technology Replaces: Sharp BT-L1U / 11U / 2U / 12U NoMEM Li-Ion Camcorder Batt. Sharp BT-L11/12 3.6V 4950mAh Specification: 3.6Volt 4950mAh (2.5hr.) Chemistry: NoMEM Lithium-Ion Dimensions: 2-3/4 x 2-3/16 x 1 Chargers: BCV636, BCVL11, BCR362