Features:
Li-Polymer Battery Cell with high safty and stability                                                                                                                                               Built in Proprietary Software to control temperature, voltage and current.                                                  
Long time standby High compliancy for electronic devices                                                          
Contemporary design and ultra slim size

Capacity:4000/6600/8800/11000mAh     
 Recharging time:
5-6hours(4000mAh)                      8-9hours(6600mAh)     
11-12hours(8800mAh)                 14-15hours(11000mAh)   
 Input Voltage:  4.5V~5.5V DC    
 Output voltage: 5.35V~5.45V DC    
 Input MAX Current: 800mAh    
 Output max current:1000mah    
 Operating Temperature: -10~50℃