DOKIO 220 Watts Foldable Solar Panel Monocrystalline with Charge Controller with Dual USB Outputs (Lightweight 9lb) to Charge 12 Volts Batteries (All Lead/Acid Types: Vented AGM Gel) RV Camping : Garden & Outdoor

Description

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 220W 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. 220w 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 11lb (5.3kg), Foldable Dimension:28*20*0.9inch (70*50*2.4 cm) Equipped with 2* USB output port , charging multiple small devices at the same time, including smartphones 1*DOKIO 220W solar panel 1*DOKIO Waterproof Bag 1*DOKIO 20A controller 3*Cable 5*DC plugs

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