Main Features:* Vertical shooting more comfortable
* Same holding feeling as original grip
* 2100mAh, 3x more battery power
Brief Introduction* Vertical Shutter Button: Shutter with half-press function, convenient for vertical shooting.
* Power light: the red LED light becomes green after charging.
* Charge port: for the charger attached with grip
Specification* Battery type: Li-ion
Battery capacity: 2100mAh
Charging time: 4 hours
Output voltage: 7.4V
Output streams: max 2A
Charge current: max 1A
Comaptible with Canon 350D, Canon 400D
Replace for Canon BG-E3 battery grip