Masione 7.4V 1400mAh Canon BP-511 Replacement Battery for Canon BP-508 BP-512 BP-514 BP-522 BP-535, Canon PowerShot G1,G2,G3,G4,G5,G6,PV130 Brand New | Li-ion | 7.4 Volts | 1500 mAh | Black 100% Compatible with Canon BP-508 BP-511 BP-512 Batteries are made with the highest quality materials No memory effect so that you can charge battery at anytime 30 Days Money Back and 1 Year Warranty