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The NOEARR 40W is a foldable solar panel that charges phones, power banks and small electronics through two USB-A ports and one USB-C port, up to 5V/3A per port. It uses N-type cells with a grid-free front face, rated at 23.5% efficiency and IP44 water resistance, and folds to 7.17x4.33x1.18 inches at 0.7 lbs. It suits campers, hikers and emergency-kit builders who want a light panel to top up devices in direct sun. It cannot store power, so it only works while unfolded in sunlight and plugged in. Against folding panels from bigger brands, it offers three ports and low weight, but its 3.5-star rating from 44 buyers shows output and durability complaints are common.
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Lowest price we've seen: $59.99 on Nov 15 at Amazon. Tracked across 2 stores since Nov 15.
Ratings are middling at 3.5 out of 5 from 44 buyers. Supporters like the light, foldable build and the three ports; critics say real charging is slow and weaker than the 40W label suggests.
This 40W foldable solar panel charger turns sunlight into power for small devices. The front panel has no metal lines, and the panel uses N-type solar cells with a heat-resistant build. It converts 23.5% of sunlight into energy and has an IP44 rating against rain, fog and wear.
It has two USB-A ports, one USB-C port and one DC port, so it can charge several devices at once. It can charge smartphones, power banks, GPS units, flashlights and other small electronics, and it has Intelligent Safe Charging. The panel does not store electricity. It must be in direct sunlight and connected to your devices while charging.
The panel folds to 7.17 x 4.33 x 1.18 inches and weighs 0.7 lbs, so it fits in a backpack. To use it, unfold it, plug in and charge. Shade or partial shade can reduce charging power. Actual output varies with sunlight, angle, the connected device and temperature. The USB junction box is not waterproof, and the panel should not be placed in water or rain.
