Canon MV450i Camcorder Battery Replacement battery for the Canon BP522, Lithium-Ion (Li-ion) 7.4V (3000mAh) - This Synergy Digital battery is fully compatible with the original Canon BP522 Battery.: Amazon.co.uk: Electronics & Photo
Canon BP-975 Camcorder Battery 7800 mAh Lithium Ion Rechargeable - Hunt Office Ireland