1. Equipment: Replacement of 7.2v 2280mAh rechargeable lithium ion battery for Sony NP-FZ100. 2. Function buttons: including front and rear dials, professional version with vertical grip shutter release button, multi-function selector, AF-ON button, AE-L button. 3. Compatibility: The battery grip (replaces Sony VG-C3EM) is compatible with Sony A9 A7III A7RIII cameras; using 1/4-inch bottom thread, you can connect it to a tripod (not compatible with Sony A7SIII) 4. Portability: easy to carry when going out; fast charge and keep the charge well, no need to worry about insufficient power when shooting Vertical battery grip for Sony A7RIII A7III A9 cameras, used to replace the 7.2v 2280mAh rechargeable lithium-ion battery of Sony NP-FZ100，replaces Sony VG-C3EM Size and weight :127*67.2*107.8mm , 220g