The BP-820 battery communicates with the Canon Camcorders, so that you can always check the remaining capacity, Time remaining and recharge performance on the camcorders power source info screen.
This battery features Lithium Ion technology, which ensures maximum battery life and maximum power. Also, Li-Ion batteries are lightweight and can be charged or discharged at any time without developing so called “memory effect”, so they never lose their ability to hold a full charge.
