High Capacity, rechargable Lithium-Ion battery. When used with camcorders, the BP-511 gives you a maximum recording time of 2 1/2 hours using the viewfinder, or 2 hours using the LCD screen. When used with the EOS D-series cameras, the battery is capable of approximately 300 shots on a single charge. Models: D60, D30, Pro90 IS, G1, G2 Optura Pi, ZR10, ZR20mc, ZR25mc, ZR30mc, ZR40, ZR45mc, ZR50mc