Feature:
<br /> 
<br />1. Slide your phone lightly into the power case,and make sure phone is well connected to micro USB connecter of the power case.
<br />2. Press the ON/OFF switch to start or stop the charging,the charging signal will be showed on the phone screen.
<br />3. Press the ON/OFF switch once to check the battery level. The lighting LED indicators will show the battery percent as follows: WHITE L100%, GREEN LED<75%,  BLUE LED<50% ,RED LED<25%.
<br />
<br />Specification:
<br />
<br />Capacity for Galaxy S8: 5000 mAh
<br />Capacity for Galaxy S8 Plus: 5500 mAh
<br />Charging time: ~4 hours 
<br />Output: 5V 1A
<br />Output Current: 1800mA Max 
<br />Input: 5V 1A
<br />Input Current: 1800mA Max 
<br />Dimensions: 153.9*70.7*17.2mm / 164.6*76.2*17.3mm
<br />
<br />Note:
<br />
<br />* Please fully charging and discharging at least 1 times at the first use.
<br />* Dot not break, dismanting into the fire or placed in hot and humid place. Keep away from Children.
<br />* Please turn off the power when not in use, in order to avoid continuous power.
<br />
<br />Package Includes:
<br />
<br />1 x Battery Case for Samsung Galaxy S8/S8 Plus;
<br />1 x User Manual