The BP-FT1 is an Extended Life Version of the Sony NP-FT1 Battery. This battery has 750MAH versus Sonys 680MAH. You wont have to worry about running out of power so soon, with the BP-FT1 you can keep on shooting longer!
The rechargeable lithium-ion NB-7L battery is compatible with the Canon Powershot G10 Digital Camera. The NB-7L battery can shoot up to approximately 250 shots with the LCD screen on and 600 shots with the LCD screen off. (1150 mAh)