La description

Specifications
Cell type: Li-polymer battery
Main Input: DC 5V 1000mAh
Secondary :CIGS PV Panel 0.38watts
(Full charge surfr under STC in 25-33 hours)
Output: DC 5V 700mAh
Capacity:2100mAh  (Charge 80% Max)                                                   
Product dimension: 148 x 75.5 x 15.6mm
Product weight:90.7g
Gift box dimension:210x100x28mm
Gift box weight: 220g
Carton dimension:480x360x245mm 
Carton Weight:10.9kgs 40 Sets/Carton
 500 Circle or 1 year
Charging time :3 hours
Talk time:  Up to 6.5 extra hours 
Internet duration : Up to 7.5 extra hours 
Audio Play: Up to 40 extra hours
Video Play: Up to 10.5 extra  hours   
                                                               
Features
1. the case integrates a 2100 mAh lithium-ion battery 
2.doubling the battery life of the Galaxy S III
3.yet remains only 15mm thick.
4. It’s hardened plastic construction protects the S III from drops and scrapes yet remains incredibly lightweight at less than 70 grams.