Efficient, portable, flexible solar charger for laptop 1. Built-in high capacity rechargeable lithium battery: 11200mAH/14.8V 2. Input voltage / current: 18V auxiliary battery charger input 3. Output voltage: 4.2V, 8.4V, 12.6V, 16.8V, 19V (optional) 4. Output current: 4.2V/500mA, 8.4V/800mA, 12.6V/1000mA, 16.8V/1000mA, 19V/2000mA 5. Temperature: -10 °C -50 °C 6. solar panel Battery: 18V/2W 7. Size: 16.2 * 9.8 * 2.6cm 8. Weight: 500g (there will be little difference between the different configurations) 9. Color: Black 10. Packaging: bag 11. Accessories: matching charger 1PC, the output switch wiring 2PC, two pin adapter plug 8PC, DC3.5 adapter plugs 4PC Guangzhou Topmover Plastic Electronics Factory Add:6th Floor,Haohan Building B,The Second Industrial Zone,Keyun North Road ,Tianhe District, Guangzhou,P.R.China,510665 Tel:+86-20-85664234/85557270 Fax:+86-20-22275789/22275736 Complaints Tel:+86 135-3879-5345 E-mail:topmover@126.com ,topmover@gmail.com