Battery cell type: lithium battery
Capacity : 50,000mah
Rated input : DC 5v / 2A
Rated output : DC 5.0 v / 2.1A max
Key function: pres the stwich button . Enter the power on state . press twice . LCD lights are normally on.
Press three battery indication: 0 - 25% one lamp is on , 25% - 50% two lamp are on, 50% - 75% three lamp are on, if four lamps are on battery power is from 75% - 100%.
It consists of 3 inputs
Micro USB input
And 4 outputs
It can charge 4 divices at the same time.