Watson BP-727 Lithium-Ion Battery Pack (3.6V, 2670mAh) -Replacement for Canon BP-727 Battery Canon HF-M50 , HF-M500 , HF-M506 , HF-M52 , HF-M56 , HF-R30 , HF-R300 , HF-R306 , HF-R32 , HF-R36 , HF-R38 , HF-R40 , HF-R400 , HF-R42 Replacement for Canon BP-727 Battery Limited 1-Year Warranty