Tech parameter:
1.Capacity:1900mAh
2.Cell type: Lithium-Polymer
3.Input: 5V/700mA                
4.Output: 5V/500mA
5.Charging time: 3.5hs
6.Dimensions: 113*66*21 (mm)
7.Weight: 70g
8.Colors: black, blue, green, grey

Three main functions:
charging
Be sync with computer
Backup case with protective function

Packing details:
N.W: 7.90kg
G.W: 8.50kg
Qty: 60pcs
Ctn size: 39.5*28*30cm