Input: AC 110-240V 50/60Hz 150mA
Output:4.2V 400mA+/-50mA USB 5.2V 1250mA
Green LCD Screen Indicator:25%,50%,75%,100% when the battery is charging,and 100% means battery is full
Smart built-in IC chip prevents over heat, short circuit, overcharging and electronic shock
Foldable A/C plug is designed for global travel
Adjustable dock fits battery width: 1.18 ins/30mm-2.36ins/60mm inches
PS:SS-5 does not suit for Samsung S4 battery properly, SS-8 or V05 does.