High Capacity Canon BP827 (3400 mAh) Replacement Battery for VIXIA HF10,HF11,HF100,HF20,HF200,HFS10,HFS11,HFS100,HFS20,HFS21,HFS200,HG20,HG21,HG30,HFS30,HFG10,M30,M31,M31,M300,HFM40,HFM41,iVIS HF10,HF11,HF100,HF20,HF200,LEGRIA HFM306,HFM32,HFM36,HFS10,HFS100,HFS11,HFS20,HFS200,HFS21,HF20,HF200,HF21,XA10,CG800 Camcorder 100% Compatible with original manufacturer equipments and chargers Ultra higher capacity in runtime compared to original battery packs Premium Li-Ion Cell Absolutely no memory effect so that you can charge battery at anytime Low impedance battery design