Dual output with 1 fast charging 2.1a port
20,000 mah lithium-ion battery capacity
input: dc5v 2.1a / dual output, 1.Dc5v 1a, 2.Dc5v 2.1a,
power: 21w max.
Charging time: 26 hrs (13 hours if using romoss ac12 icharger 2.1a adapter via outlet)
weight:0.4
lxwxh:16.2x8.2x2.1