... Pie SpecificationsCE, ROHS Battery modelExport 18650lithium-ion SANYO battery cellCapacity8400mAhInputDC5V 1AVolume96mm*63mm*22mmOutput1Output2DC5V 1ADC5V 2.1A(max)Weight182g Features ... charge battery charger.)2) When charging, LED 1,2,3,4circularly light on. After unit full charged, LED 1,2,3,4 ... on.2) LED light on when press buttom, this mean battery charger have start to work.3) When battery charger ...