DQ-RB4LH Whether you"re at home or on-the-go, a long life camera battery will ensure that you have the power you need, when you need it. Features: -Lithium-ion rechargeable battery. -Smart technology communicates accurate information to the camerar. -No memory-effect. -Overcharge protection built in. Specifications: -Direct CANON replacement. -Provides 800mAh of capacity. -Replaces the following CANON part numbers: NB-4LH. -Fits the following CANON POWERSHOT models: SD1000, SD200, SD30, SD300, SD40, SD400, SD430, SD450, SD600, SD630, SD750, TX1 .