Samsung Galaxy S7 Edge Charger Case 5200mAh Ultra Slim Rechargeable Portable External Backup Batteryer Cover-Protective Case Power Bank Case (Black-Samsung Galaxy S7 Edge);

How to Use:
To charge the phone with the battery case:
Attach the battery case to your phone and then press the power button. The battery case will begin charging your phone.
Press the power button once to check the battery level. The illuminated LED will show the battery level.
Assembly:
First pull out the top cover. Slide your phone gently into the battery case, and make sure the phone is well connected to micro USB 2.0 connector of the battery case.
To charge the battery case:
Connect the charging cable to the battery case's USB input interface, and then connect the cable to a USB charger. Press the power button once to charge the phone and battery case simultaneously . The battery case is fully charged when all four LED indicator lights are illuminated and stop flashing.
LED Power Indicator
Up to 4 LED lights illuminate, depending on the level of the power remaining in the battery case. The corresponding power levels are indicated as: 1-25% , 25%-50% ,50%-75% ,75%-100%
Specifications:
Battery: Li-polymer battery
Output Voltage: 5V
Output Current: 2A(max)
Input Voltage: 5V
Input Current: 1A(max)
Dimension:162.3*75.2*19mm
Weight: Approx 130g
Note:
1. When charging the battery case with phone attached, the phone battery will be charged first. After the phone battery is fully charged, charging of the battery case will begin.
2. Do not expose this battery case to moisture or submerge it in liquid, keep battery dry all the time.
3. Do not attempt to charge battery case using any method, apparatus, or connection other than the devices's USB connector.
4. Do not attempt to replace any part of this battery.
5. Due to the high output power, when charging the battery case's surface gradually become warm, it's normal.
Package included:
1 pcs Battery Case
1 pcs User Manual