Battery Grip Kit for Sony Alpha SLT-A77, Alpha a77II DSLR Camera -Includes Qty 2 Replacement NP-FM500H Batteries + Vertical Battery Grip + More!! NPFM500H Li-ion Battery for Sony Alpha 2 Pack Ultra High Power Extended shots - Up to 25% more then original Super Long Time Recording Battery has a one-year warranty vertical battery grip for Sony Alpha DSLR- A77 / A77V,A77II compatible with Sony VG-C77AM,