Built with 5 foldable high efficiency solar panel, bring more 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 to directly charge your device.It is very suitable for outdoor biking, mountain climbing, hiking, camping, traveling, etc.Specification: Max: 12WOutput: USBOpen circuit voltage (VOC): 5VShort circuit current (Isc): 2AOutput voltage: 5V, 2A/18V, 221Acharging Temperature:-20-70 CelsiusConversion rate: 23-24%Waterproof rating: IP65Number of USB ports: doubleColour:BlackMaterial:Polycrystal + clothSize:Expanded size: 650x170mmPackage Contents:1 * 12W foldable solar panelOnly the above package content, other products are not included.Note: Light 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.