Only designed for Samsung Galaxy S8, and it’s standard charger. Built in Lithium polymer, it’s more safe, durable and steady, international standard import battery.
It’s disassemble between the charging pad and the metal protection edge, which is more convenient to remove and have longer service time than plastic framework.
Support charging your phone and the battery case simultaneously, charging and protecting 2 in 1.
LED power level indicator tells exactly the power left. 1-25%; 25-5-%; 50-75%; 75-100%.
Not only protect your phone from dust, scratching and shock, but also convenient to fit easily in your hand or your pocket.
Input Voltage: 5V
Output voltage: 5V
Input Current: 1A
Output Current: voltage: 1V
Charging time: ~ 5 hours
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 USB2.0 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 charge when all four LED indicator lights are illuminated and stop flashing.
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.
When charging the battery case with phone attached, date transfer is supported. To charge and transfer data simultaneously, simply connect the battery case via your computer’s USB ports.
1x Rechargeable Extenal battery case
1x User Manual
COOFUN Samsung Galaxy S8 Charger Battery Case Wireless Disassemble Metal framework Bank Case 4200mAh Ultra thin Rechargeable Portable External Backup Battery Pack - Protective Case (Black) - B072M27VH7