Features:
Five LED indicators to show the battery level
2400mAh capacity, provides extra hours for your phone
Soft lining material to protect your phone from scratch
Hard shell also can be a good protection case for Lumia 900
You can charge this battery case via USB or via wall charger with adapter(not invluded)
Connect the NOKIA Lumia 900 with battery case with transfer adapter, it will start to charge

Specifications:
Battery type: Lithium Polymer
Capacity: 2400mAh
Input: 5V 500mAh
Output: 5V 600mAh
Compatible with: NOKIA Lumia 900
Weight: 66g
Size: 13 x 7 x 0.8cm(L x W x T)
Color: Black

Package included:
1 x 2400mAh Battery Case
1 x Transfer Adapter
1 x User Manual