Wasabi Power Battery for Canon BP-820 and Canon VIXIA HF G30, XA20, XA25, XA30 Rechargeable battery for Canon BP-820; Compatible with Canon XA20, XA25, XA30 and others (see description below) Lithium-ion battery rated at 7.4V and 1780mAh for longer battery life Premium Japanese cells for longer battery life with no memory effect Fully compatible battery displays remaining run time in the camera and works in the Canon charger Includes battery with 3-year manufacturer warranty