BM Premium NP-FM500H Battery for Sony Alpha a77II, a68, SLT-A57, A58, A65V, A77V, A99V, A100, A200, A300, A350, A450, SLT-A500, SLT-A550, SLT-A560, SLT-A580, SLT-A700, SLT-A850, SLT-A900 DSLR Camera NPFM500H Li-ion Battery for Sony Alpha Cameras Battery Specifications - Energy Storage Capacity: 2000mAh /Voltage: 7.4 volts, Chemistry: Li-ion 100% Memory Free Super Long Time Recording Battery has a one-year warranty Includes NP-FM500H 2000mah Battery + Micro Fiber Cleaning Cloth