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Portable Solar PanelsPower your everyday appliances at home and off-grid with sustainable solar energy.More energy with a two in one bifacial design.EcoFlow’s 220W Bifacial Portable Solar Panel is two in one. With a 220W primary side, and a 155W side on the back for ambient light, you can capture up to 25% more solar energy and charge your portable power station even faster.Built to last.The thin, one-piece tempered glass design makes it five times tougher than comparable panels with half the thickness of traditional tempered glass. Capable of withstanding heat up to 300°F , it’s safe to say it can resist the elements.4X More Rear Side Heat Dissipation<10% Power Degradation Over 10 Years*Compared to standard solar panels.Powerfully portable.It's a portable solar panel designed from the ground up to be compact. 10% smaller than comparable 220W panels, it saves space with thinner tempered glass, and less surface area required for the same input.More than a carry case.It comes with its own carry case so you can take it anywhere. Once you arrive at your destination, simply unfold it and use it as a kickstand to get your sun exposure just right.And it’s waterproof too.We’ve raised the bar with this panel. It's completely water and dust-tight. Rain, wind or shine, your panel is safe with an IP68 waterproof rating.What's in the box1. 220W Bifacial Solar Panel 2. 220W Bifacial Solar Panel Protective Case (Kickstand) 3. Solar Charging Cable 4. 220W Bifacial Solar Panel User Manual and Warranty Card 5. Snap HooksFAQQ1: Does the 220W Bifacial Solar Panel generate a full 220W of power?A: In most cases, it is normal for a solar panel not to deliver its full nominal power. Some of the reasons why this happens, as well as some suggestions for getting closer to the nominal power figure, are given below. a. Light Intensity. b. Surface Temperature. c. Sunlight Angle. d. Panel Shading. * Performance Issues Caused by Malfunctioning Panels: If the panel still isn't generating power or its output remains far below expected nominal power figures after addressing the issues above, there may be an issue with the panel itself. Please contact Customer Support for assistance.Q2: How much power can the 220W Bifacial Solar Panel generate under normal conditions?A: This depends first and foremost on weather conditions. Generally speaking, on a clear day with no clouds in the sky, sunlight hitting the panel at a 90° angle usually generates 160W–180W of power in the 220W panel.Q3: What should l know about the operating temperature, storage and use of the 220W Bifacial Solar Panel?A: The operating temperature of the Bifacial Solar Panel is -20°C–85°C (-4°F–185°F). The panel should be folded into its original shape and stored in its Protective Case (Kickstand), which provides sufficient protection for the product. To extend the service life of the panel, ensure that the product is not exposed to external forces/impacts when not in use. The solar panel itself is made of glass and must not be dropped, pierced, bent, or sat on. These actions may break the glass and render the panel unusable. Any such damage will not be covered by the free warranty.Q4: The 220W Bifacial Solar Panel has two sides. How can I tell which side is which, and how can l optimize power generation using the rear side of the panel?A: The front side of the Bifacial Solar Panel has a junction box. This side of the panel generates power by being positioned perpendicular to the sun's rays. Since the rear side of the panel faces away from the sun, it does not generate electricity in the usual way. Generally speaking, the rear of the panel uses ambient light to increase the overall performance of the product by up to 5%-25%. This figure is higher if mirrors are used, or when ambient light levels are high. Using the product with the rear side of the panel facing the sun generates 80% of the power when compared to using the front side. Using the panel in this way does not have a negative effect on the product.Q5: Can I use non-EcoFlow branded power stations with the 220W Bifacial Solar Panel?A: Yes, but only certain types. The power station used must be compatible with MC4 standards in order to work properly. In addition, other brands of power station may not offer the same levels of compatibility as EcoFlow-branded power stations, may have lower nominal power ratings, and may not offer the same levels of performance.Q6: Can I connect both 110W and 220W Bifacial Solar Panels together in series?A: Yes, but this is not recommended. While the voltages of the two panels are identical, the current ratings are not. This means that when the panels are connected in series, the current will be limited to that of the 110W panel and the full performance potential of the 220W panel cannot be released, resulting in a 1+2<3 scenario. Please purchase panels of the same size if you intend to connect multiple panels in series.Q7: Can I connect 220W Bifacial Solar Panel in parallel?A: Yes, but this is not recommended. 220W solar panel have a maximum current rating of 12A. Though these panels can be connected in parallel, DELTA and RIVER series power stations only support a maximum current of 12A. Parallel connections increase power output by doubling the current, but connecting the panels in this way would result in a 1+1=1 scenario whereby the current is limited to 12A by the connected devices. We do not recommend connecting the panels in parallel, unless you use a different brand of power station with an input current of 20A or above.Specs of 220W Solar PanelRated Power220W Front Side/155W Rear SideCell TypeMonocrystalline SiliconEfficiency22-23%Dimensions82*183*2.5cm (32.3*72.0*1.0 in)Connector TypeMC4Open Circuit Voltage21.8V (Vmp 18.4V)Short Circuit Current13A (Imp 12.0A) Front Side/ 8.8A (Imp8.4A) Rear SideWeight (Solar Panel)Approx. 9.5kg (20.9lbs)