Input: DC 5V / 2.1A Output: DC 8.4V / 700mA x1 / 500mA x2 (CH1 / CH2) Dimensions: 11.5 x 7 x 1.9cm Connections: Micro USB (input), 2 charging compartments (output) Fits for the following camera types: Sony Alpha DSLR-A100, DSLR-A100H, DSLR-A100W, DSLR-A100K, DSLR-A200, DSLR-A200K, DSLR-A200H, DSLR-A200W, DSLR-A300, DSLR-A300K, DSLR-A300X, DSLR-A350, DSLR-A350H, DSLR-A350K, DSLR-A350X, DSLR-A500, DSLR-A500L, DSLR-A500Y, DSLR-A550, DSLR-A550L, DSLR-A550Y, DSLR-A580, DSLR-A580L, DSLR A580Y, DSLR-A700, DSLR-A700K, DSLR-A700P, DSLR-A700Z, DSLR-A850, DSLR-A850Q, DSLR-A900 SLT-A57, SLT-A57K, SLT-A57M, SLT-A57Y, SLT-A65V, SLT -A65VK, SLT-A65VM, SLT-A65VY, SLT-A77, SLT-A77VK, SLT-A77VQ, SLT-A99 Alpha 57, Alpha 65, Alpha 77, Alpha 99 It is possible to charge 2 batteries at the same time. The charger can be powered via any standard USB port with the supplied Micro USB cable. An integrated automatic shutdown system prevents damage to the batteries due to overcharging. Fits the following battery models: NP-FM500H, FM500H, NP-F550, NP-F970, NP-QM71, NP-QM91