this is the detail below:
CANON BP-711 Batteries are made from the high quality cells and parts, The CANON BP-711 batteries are designed to be 100% manufacturer compatible with part numbers and use in brand models.
battery Type: Ni-MH
Volt: 6V
Capacity: 4000mAh
Weight: 301g
Color: Black
Dimension: 91.80x47.20x43.45mm
Original Price: £24.12
Special Price: £21.71