Kastar NP-FM500H Battery (2-Pack) for Sony DSLR-A100 A200 A300 A350 A450 A500 A550 A560 A580 A700 A850 A900 Alpha SLT A57 A58 A65 A65V A77 A77V A77 II A77M2 A99 A99V CLM-V55 Cameras Kastar Brand Replacement Lithium-ion (Li-ion) Battery. High Quality, Long Lasting and Manufacture Price. Kastar Battery 100% decoded and 100% Compatible with the Original Batteries and Chargers. Kastar Battery High Capacity. Use high quality Japanese Cells for longer battery life with no Memory Effect. Use Integrated Japanese microchip which can prevent the overcharge and overdischarge. The Battery Include 30-Day Money Back and 3-Year Manufacturer Warranty.