Extended BP-819 2100MAH Replacement 5 Hour Battery For Canon Vixia HG21 HF10 HF20 HF11 HF S10 HF M300 HF M30 HF M31 M32 M40 M41 HF S200 H S20 HF S21 S30 S40 S400 HF200 HG20 HG21 Camcorder + Free Pack Of LCD Armor