Newmowa Dual USB Charger for Nikon EN-EL20 and Nikon 1J1, 1S1,COOLPIX A, 1J3 , Nikon 1 AW1 Includes: 1 Dual USB Charger and 1 Micro USB Cable for the Nikon EN-EL20 Batteries are not included Input: 5V 2A; Output:8.4V 600mA*2 The charger can charge a single battery as well as a pair, comes with a Micro USB cable Can be powered by most standard USB Wall or Auto Charger or a computer Smart LED light turns to RED when charging and GREEN when completed