canon g5 HQRP ® brand products are marketed and sold exclusively by Osprey Talon. Compatible with: Canon PowerShot G5 / G6 / Pro 1 / Pro 90 IS, Brand ® over two batteries HQRPHQRP HQRP Screen Protector ®, battery voltage: 7.4 V Capacity: 1700 mAh Li-Ion battery, Integrated microchip prevents overcharging , 1 year warranty 100% compatible with original battery and charging devices;! These batteries have no memory effect so can be charged if necessary, without loss of capacity;