Canon"s BP-511A Battery Pack for selected Camcorders and EOS D-Series Digital Cameras is a high-capacity, rechargable Lithium-Ion battery. When used with camcorders, the BP-511A 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. It replaces Battery Pack BP-511 and is compatible with the following cameras and camcorders: EOS 20D EOS 20Da EOS 30D EOS 40D EOS 5D EOS D30 EOS D60 EOS Digital Rebel Limited Edition Digital Rebel Optura Xi PowerShot G1 PowerShot G2 PowerShot G3 PowerShot G5 PowerShot G6 PowerShot Pro 1 PowerShot Pro 90 IS ZR10 ZR20 ZR25MC ZR30MC ZR40 ZR45MC ZR50MC ZR60 ZR65MC ZR70MC ZR80 ZR85 ZR90