CANON BATTERY PACK BP-727 Key Features Compatible with Canon VIXIA HF M50, M52, M500, R30, R32, R40, R42, R50, R52, R300, R400, R500 The Canon BP-727 High Capacity Intelligent Battery Pack is a lithium-ion battery. The battery is designed to resist the effects of "memory effect" so the battery continues to last just as long between charges as it ...