Kapaxen Two BP-745 Intelligent Batteries + Dual Channel Charger for Canon VIXIA Camcorders BP-745 Battery Capacity: 4500mAh (Rechargeable) Intelligent Batteries Showing Remaining Recording Time Charger Input: AC 100V-240V; Dual Output Channel Li-Ion Batteries without Memory Effect Lasts 3.0 to 5.0 Hours on a Full Charge