Dokio 100W 18V PORTABLE FOLDABLE Solar Panel Kit (21x28inch, 5.9lb) Monocrystalline(HIGH Efficiency) with CONTROLLER 2 USB Output to Charge 12V Batteries (All Types: Vented AGM Gel) RV Camper Boat: Industrial & Scientific

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See more product details Question: Are this units waterproof?Can these solar panels be permanently instaled outside or would they deteriate over time ? Answer: Yes,It is waterproof ,BUT meant for temporary or emergency use only. Not designed for permanent installation or prolong weather exposure.DON'T leave them out at night or in bad weather. NOT day-in day-out exposure. Sun damage to fabric case is most likely Question:Why the solar can not produce 100W power when charging to power station? Answer:As you know , the solar panels are affected by many factors: such as the light intensity and the panel's angle put on the ground. 100w is tested in an ideal laboratory. However, the intensity of the light constantly changes. In addition, the angel of the light illuminating the solar panel also changes with the rotation of the sun. Weighs:only 6lb (2.7kg), Foldable Dimension:21*20*1inch (54*50*2.4cm) Equipped with 2* USB output port , charging multiple small devices at the same time, including smartphones 1*DOKIO 100W solar panel 1*DOKIO Waterproof Bag 1*DOKIO 10A controller 3*Cable 5*DC plugs

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