AC Input: AC 100-240V 
DC Output: DC 5V, 1A+2.1A
Battery Input: DC 5V,2.6Amax
Battery Output: DC 5V, 1A+2.1A
(Port 1+Port  2: 3.1Amax)
Battery cell: Lithium-ion
Battery capacity: 5200mAh
Battery capacity Indication: Blue, 4 Level
Battery automatic power off: 90seconds
Overall dimension: 3.38”L x 2.67”W x 0.86”H
                                (86x68x22mm)