when you travel or work in the wild ,or face power cuts,our mobile battery charger can make your cellphone and digtal products keep working and contacting with outside anytime and anywhere.
Specification:
1.Capacity: 21000mAh(3.7V)
2.Internal Battery type: Li-polymer-cells
3.DC-IN:18V/2A                                                        
4.Output Power: 70W
5.DC Out Voltage: 5V,12V,16V,19V
6.USB OUT: 5.3V/500mAh(iPod,iPhone)        
7.Dimension: 210*130*15(mm)
8.Weight:650g
9.charging time:4.5 to 6 hours
10. Color:silver,black etc.
11.Charging time:4.5 to 6 hours.
Product Features:
1, with fashional appearance,High range air alloy shell
2, support laptop working for 4 to 6 hours
3, Adapt premium brands environment protection Lithium-Ion Polymer Battery    Cells.
4.Perfect solution to charge your laptop when out with this portable power   station.
5.high capacity Li-polymer battery unbinds you from the worry of power   shortage of your laptop.
6.Unique holder design,very simple,very light and convenient to acrry and   use your iphone when charging,easy to access to the phone's fuction .
7.Intellectual protection chip:protection for   overcharge,overdischarge,overload and short circuit protection.