High quality Canon BP-827 replacement lithium-ion rechargeable camcorder / digital camera battery.
Specifications: 7.4v 2500mAh
Fits the following camcorders:
Canon HF S21, HF S20, HF S200, HF M31, HF M36, HF M306, HF G10,
Please note: this may not be a complete list as new camcorders may also take this battery.