... sales point:1. Solar panel difference :Duolilong : High-efficient mono- crystalline silicon solar panel thatcan be ... used for 610 years, high stability, more power, high conversion from solar energy to electricity ... .4. Bag materialWe use Nylon 1680D with high quality material for the bag. Others may ... 3.7V, 8800mAhOutput: 19V DC, 14.8 to 16.8V DC, 9V DC, 5V/6V/9V DC Output current: 19V: 3,000mA ...