YISHDA Galaxy S9 Charging Case 4700mAh Rechargeable External Battery Charger Case for Samsung Galaxy S9 Slim Extended Backup Power Bank Case | Samsung Galaxy S9 Portable Battery Case - [5.8inch] Black

YISHDA Galaxy S9 Battery Case 4700mAh Portable Rechargeable Extended Backup Battery Charging Case for Samsung Galaxy S9 External Backup Battery Case Power Bank Charger Cover – Black [18 Month Warranty] Battery Case Specially designed for Samsung Galaxy S9 : Product Type: A+ grade lithium ion polymer battery
Input Current: 5V 1800mA
Output Current: 5V 1800mA
Operating Temperature: 0 ℃ -45 ℃
Battery capacity:4700mAh
Storage / Transport Temperature: -20 ℃ ± 50 ℃
Cycle Life: ≥ 500 times
Charging time for battery case: about 4-6 hours
Charging time for Samsung Galaxy S9: about 3-4 hours
Product Weight: 115g (4.05oz)
Product Size: 18 * 7 * 1.5 (cm) How to charge the phone: 1. Take off the top cover of the battery case and slide your mobile phone into it. Make sure your mobile phone is well connected to the dock on the battery case.
2. Press the ON/OFF switch at least 3 seconds to activated or stop the charging, see the mobile phone scree to identify the charging signal. How to charge the battery case: 1.Connect your USB charging cable(Not Included)to the battery case's USB input interface, and then connect the cable to a USB charger adapter.
2.Press the power button once to charge the phone and battery case simultaneously.phone will be charged first,after phone full charged,it will charge battery case. The lighting LED indicators show the battery percent as follows: One LED: 1%~ 25%; Two LED: 25% ~ 50%; Three LED:50%~75%; Four LED: 75%~100%. Package included: 1 * Battery Case for Samsung Galaxy S9 1 * User manual Kindly Note: 1. Please fully charging and discharging at least 1 times at the first use.
2. Please use the original charger that comes with the phone to charge the battery case. Generic or non-original chargers may cause the battery case to malfunction.

• Grade A+ Battery Case for Samsung Galaxy S9: This Galaxy S9 rechargeable charging case uses Grade A+ rated battery cells with CE and RoHS certification. Each charger case for Samsung Galaxy S9 designed to last over 500 repeated battery charge cycles, Which was under 18 Months Warranty!.
• High Capacity and Fast Charge: Built-in 4700 mAh rechargeable battery pack, Effectively provide 120%+ extra battery life to Samsung Galaxy S9 . 1.8 A output make Galaxy S9 fully charged in about 2-4 hours, make your life more convenient.
• Double Charge Technology and Easy to Operate: 100% safty with internal circuit protection against overheating, overload and short circuit. The LED indicators let you know exactly how much charge is available and the power switch turns on / off the cover. Double charge technology make it possible to charge Samsung Galaxy S9 and Galaxy S9 extended battery at the same time, No need to remove the Samsung Galaxy S9 power bank.
• Heavy Duty Protection: 360° comprehensive bumper design, Made up with high quality TPU material and hard-shell backplat, Slim fit the Galaxy S9 perfectly.This portable Galaxy S9 charging case protects the phone from scratches and other daily wear and tear..
• 18 MONTH WARRANTY: If You Are Not 100% Satisfied With Your New Samsung Galaxy S9 Charger Case, Please Just Let us Know! We Can Help with Any Issues That you May Have..