Canon VIXIA HF R300 Camcorder Battery Lithium-Ion 2900mAh - Replacement for Canon BP727C Battery Replacement battery for the Canon BP-727 - with Charger, Lithium-Ion (Li-ion) 3.7V (2900mAh) This Synergy Digital battery is fully compatible with the original Canon BP-727 - with Charger Battery. 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark