Built with 5 foldable high efficiency solar panel, bring more power and stable solar charging experience.Used to charge mobile phones, MP3, PAD or other USB charging devices.Dual USB output ports, convenient to charge the device through the USB charging cable.You can put the battery board in the sun to directly charge your device.It is very suitable for outdoor biking, mountain climbing, hiking, camping, traveling, etc.Specification:Power Max: 70WOutput: USBOpen circuit voltage (VOC): 5VShort circuit current (Isc): 2AOutput voltage: 5V, 2A/18V, 2.21Acharging Temperature:-20-70 CelsiusConversion rate: 23-24%Waterproof rating: IP65Number of USB ports: doubleColour:BlackMaterial:Polycrystal + clothSize:Expanded size: 650x170mmPackage Contents:1 * 70W foldable solar panelOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.