Battery Grip Description This is a professional vertical battery grip for Sony Alpha DSLR- A77 / A77V,A77II compatible with original Sony VG-C77AM,that can hold one or two NP-FM500H. Batteries. It can double the battery capacity of your camera,It allows users to add a vertical shutter release for more comfortable portrait shooting. Effectively doubles your shooting time. Dramatically improves stability. Battery Description Bring your digital camera back to life with a new battery. Make sure you never miss another once-in-a-lifetime moment by having a new NP-FM500H battery specifically designed for your Sony Alpha Digital SLR Camera . BM Premium rechargeable batteries are engineered to meet or exceed OEM specifications and feature the latest battery technology, including advanced circuitry, voltage regulation, and thermal circuit protection. Premium batteries include a one-year warranty. Kit Includes: 1. Professional Vertical Battery Grip 2. Qty 4 NP-FM500H Batteries 3. Rapid AC/DC Battery charger 4. Cleaning Cloth