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Important notice 

 

 Always make sure that the connector to the phone is connected securely, if the direction is incorrect , it 
might damage the cell phone.  Never force the connector into the cell phone if it doesn’t fit. 

 

 Do not use the 9V power supply to charge for a long time. Use the Lithium battery for charging on 

emergency cases only. 

 

 Do not modify the power plugs in any way. 

 

 Normal power usage for USB is 5V/0.5A, if the cell phone requires less than 7V or more than 5V, please 
connect with USB A male to A female adapter .  

 

 Please use only the mentioned power supply indicated in the manual.   

 

 During charging, if the cell phone battery become extraordinary hot, please stop charging and check the 

cable.  

 

 Cell phones adapters can vary.  Always use the correct connector and do not plug in by force, or you can 

cause damage to the phone or battery. 

 

 Always make sure the cell phone battery is installed correctly before recharging. If not , it might damage 

the internal body of the cell phone. 

 
 

Troubleshooting

 

 

 Some cell phones needs more voltage than the USB slot of the 9V battery can support.  

 

 Very old PC or Notebook that doesn’t supply enough power through the USB port. 

 

 Some CardBus USB1.1 or 2.0 can only support up to 3.3V, unless the card is supplied with additional 

power.  
 

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