... charger. 3.solar panel:20W 4.charger battery:8800ma 5.foldable, durable foldable solar laptop charger Applications:a. Solar cell phone charger ... 1200X280X5mm; Advantages:1,The solar panel using PCB(printed circuit board) substrate, toughness, used poly or mono silicon solar cell ;2,By the ... to prevent current from the battery down into the solar panel;5,Folding 180 degrees;6,Can be moisture-proof, ...