Canon BP-827 Replacement 3400mAh Li-Ion Rechargeable Camcorder Battery for Canon VIXIA HG20, HG21, HG30, M30, M31, M32, M300, M40, M41, M400 Camcorder Made with premium lithium-ion cells and tested for high performance and safety. Can be charged with an original Canon charger or any other compatible third-party charger. Free Microfiber cloth Best replacement for the following OEM battery part numbers: Canon BP-827, BP827, 3185B002.