background image

 

 
 

1. Charge your Personal Electronic Device   

               

 

Important:  

Please check for voltage compatibility with your device prior to using. 
 
Using the supplied USB cable, plug the standard USB connector end into the 
31890 output port (shown as above), insert the appropriate provided tip into 
your electronic device (You may also use your own USB cable that was 
supplied with your personal electronic device), press the power button to start 
charging your personal electronic device. The LED power indicator will turn off 
automatically when the 31890 is out of power.   

 

SAFETY PRECAUTIONS 

Power Bank 31890 
 
Read all safety information below and operating instruction before using this 
power bank to avoid possible injury and damage to your device. We assume 
no responsibility for damage to charged devices due to improper operations of 
this power bank.   
 

Reviews: