STK's Canon BP-819 Battery - 2700mAh for Canon XA10, Vixia HF G10, Vixia HF M41, Vixia HF M40, Vixia HF M400, BP819, Vixia M300, Vixia M30, CG-800, Vixia M31, Legria HF S21, Legria HF200, Legria HF S200, Vixia M32, Legria HF S100, Legria HF M31, Legria HF S20, Legria HF M306 (Electronics) - http://topextendedbattery.blogspot.com/2012...