Solar Panels BigBlue

【Upgraded SolarPowa 20 Panels】Using advanced but latest one-piece lamination technology, BigBlue 20W solar charger combines high-quality ETFE, UV-resistant EVA and efficient solar cells. ETFE is extremely durable and resistant to environmental elements, which is corrosion resistance and fire retardant, with a double service life compared to other PET solar panels. IP65 Waterproof Level: ETFE special surface protects this solar panel from occasional rain in unexpected weather, comes with higher water resistance and dust protection than other solar chargers. The built-in MOS prevents current flow from the battery to the solar panel, thus preventing the battery from being discharged.