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The MEGA 250 PRO is a 250-watt, 24-volt solar panel built for off-grid systems on campers, cabins, boats and sheds. It uses 128 N-Type TOPCon cells in a 16-busbar layout rated up to 25.1% efficiency, with a 0 to +5W power tolerance so it delivers at least its rated output. The 3.2 mm anti-reflective tempered glass and low-light performance help on cloudy days and at dawn or dusk. Against common 24V panels it stands out on cell technology, UL 61730 certification and a 25-year output warranty, though at 250W it is a modest single-panel output for larger arrays.
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Rated 4.9 out of 5 from 55 ratings, buyers are highly satisfied. They praise the build quality, the output holding close to or above the rated figure, and the performance in less-than-ideal light.
The MEGA 250 PRO is a 24V off-grid solar panel rated at 250 W. It uses 128 N-Type TOPCon cells with 16 busbars and up to 25.1% efficiency. The panel is meant for RVs, boats, cabins, sheds and other off-grid solar systems.
The front is 3.2 mm AR-coated tempered glass. The frame is anodized aluminum, which is lightweight, strong and corrosion-resistant. The panel is PID-resistant and 100% EL-inspected to help prevent microcracks. It has been tested for UV exposure, thermal cycling, humidity freeze and more. The power tolerance is 0 to +5 W, so output is at least the rated 250 W. It also performs well in low light, such as on cloudy days and at dawn and dusk.
For installation, the frame has 14 pre-drilled mounting holes for Z brackets, tilt mounts, pole mounts or ground installation. MC4 connectors come with 4 ft pre-attached cables. The panel works with both on-grid and off-grid inverters.
