1,Long life lithium-ion polymer 2,Capacity 3.7V 12000 mAh 3,Solar penal 2W 4,High Voltage 19V 5,Stability, portability Specification Performance FeaturesStylish appearance Solar power charge, easy to useLED shows power status Long working life, Li-ion battery replaced availableStability, intelligence, portability, usability , environmental protection The product has anti-overcharge, over-release, ...