2015 Best Seller 15000mAh Li-ion external rechargeable battery for laptop notebook tablet pc mobile phone etc.

1. This product is economic and practical 2. Light weight ( 0.4kg ),Small dimension, fashion appearance 3. Two independent Output port:a. Main output port : 4 output voltage /current: 8.4V,12V,16V,19V (adjustable)/ 3.5 ~ 4A    b. USB port: output  voltage/current (5.25~5.4V / 1.2A ) 5. With extended capacity function 6. With pass through charging function 7. With uninterrupted power system function  8. Wide input charging voltage range: 8~20V 9. Charging time: 3~4 hours 10. Three charging method:a. Power adapter    b. Car charger    c. Solar panel charger