Amazon.com : Replacement for Canon HV20 Battery - Compatible with Canon BP-2L14 Digital Camcorder Battery (2700mAh 7.4V Lithium-Ion) : Digital Camera Batteries : Electronics
Canon Knowledge Base - Attaching and Charging the compatible batteries for an HV20 or VIXIA HV30
Amazon.com : Replacement for Canon HV20 Battery - Compatible with Canon BP-2L14 Digital Camcorder Battery (2700mAh 7.4V Lithium-Ion) : Digital Camera Batteries : Electronics
CameronSino Battery for Canon ZR700 HV20 MV880X MD140 MVX350i FVM200 MVX40i ZR400 ZR800 MD245 fits Canon BP-2L12 camera battery