Synergy Digital BP-511 Lithium-Ion Battery - High Capacity (1500 mAh) - replacement for Canon BP-511 and BP-512 Batteries Replaces the Canon BP-511 Battery For use with Canon Canon EOS, Canon ZR, & Canon PowerShot G series cameras/camcorders 1500 milliamp-hours (mAh) Battery is 100% OEM Compatible 3 Year Limited Warranty