Mr.Batt 1600mAh Replacement Battery for SONY NP-FM500H (Pack of 2) Battery type: Rechargeable Li-ion, voltage: 7.4V, capacity: 1600mAh, power: 11.8Wh Replace SONY NP-FM500H, and compatible with SONY Alpha DSLR-a100, DSLR-a200, DSLR-a300, DSLR-a350, DSLR-a450, DSLR-a500, DSLR-a550, DSLR-a560, DSLR-a580, DSLR-a700, DSLR-a850, DSLR-a900, SLT-a57, SLT-a58, SLT-a65, SLT-a65V, SLT-a68, SLT-a77, SLT-a77V, SLT-a77 II, SLT-a99, SLT-a99V, CLM-V55 Same power as the original ones, 100% true capacity CE certified and tested by manufacturer to match the OEM products 30 days money back guaranty and 1 year limited warranty