Outdoor 8W folding solar charger Direct charging collapsible solar package Off-road emergency mobile power supply $ 20.75 Cell type: polymer lithium-ion battery Applicable type: universal type Battery type: no battery Shell material: plastic Additional features: Solar Peak power: solar panel peak power 7W Output voltage/current: 5.5v/1290mA Solar conversion rate: > 18% Output interface: USB (built-in voltage regulator) Expanded size: 485mm183mm 5mm Folding size: 185mm1 20mm25mm Material: PET laminated monocrystalline solar panel / PVC waterproof fabric Charging instructions: It does not support the power storage function. The device can be charged directly under sunlight. Different light intensity, charging time and current size are different. It can be used with mobile power supply, and the effect is better!