1.Fast Charger:Input:5V/2.1AOutput:8.4V/1000mA*2. 2.It can charge 2* batteries simultaneously from any USB power source. 3.Can be used as a power bank,Equipped with USB charging cable, Micro USB interface, Type-C interface 4.Compatible model:This charger is compatible with a wide range of Nikon COOLPIX Series: Coolpix P7000, Coolpix P7100, Coolpix P7700, Coolpix P7800, P7000, P7100, P7700, P7800 DSLR Series:D3300 D3200, D3100, D5100,D5200, D5300, D5500