400W Portable Solar Panel for Power Station, 24% High Efficiency Lightweight ETFE Foldable Solar Panel Charger, MC4 Output, IP65 Waterproof, for Outdoor Camping, RV, Emergency Power Supply — Open-Box, 13% Off

Name: 400W Portable Solar Panel for Power Station, 24% High Efficiency Lightweight ETFE Foldable Solar Panel Charger, MC4 Output, IP65 Waterproof, for Outdoor Camping, RV, Emergency Power Supply
Brand: TWELSEAVAN
SKU: awhd-us-b0fcc39xy7
Price: 349.59 USD
Availability: InStock

Brand: TWELSEAVAN

Condition: Used - VeryGood

$349⁵⁹

$399⁹⁹

-13% Save $50⁴⁰

Updated: 15 days ago

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Description

【High Conversion Efficiency, Fast Charging】The upgraded A+ grade monocrystalline solar cells achieve a conversion rate of 24%, maximizing solar energy capture. With ample sunlight, they can generate a maximum output power of 400W. The latest ETFE laminated case offers a light transmission rate of over 95%, significantly improving the performance of the solar cells.

【Wide Compatibility, 8-in-1 MC4 Converter】The Twelseavan 400W solar panel features a 5-in-1 MC4 connector cable and 3 DC adapters, making it compatible with most of portable power stations like Jackery, Ecoflow, Bluetti, Flashfish, Anker, and more. With a 9.8ft MC4 connector cable, you enjoy maximum flexibility and effortless connection options for a hassle-free setup.

【HIGH PORTABILITY & EASY SETUP】The fiberglass material significantly reduces the weight of the solar panel, which is only 22.7 lbs. The folded size is 26*35.5 inches, and magnetic handle for easy carrying anywhere. Equipped with 4 adjustable kickstands, it can be firmly placed on any ground and easily setting the angle of the solar panel to maximize the absorption of sunlight, taking only a few seconds to set up to capture energy from the sun.

【Ultimate Durability: Weather-Resistant and Waterproof】The back of our solar panels is made from high-density polyester canvas, offering excellent wear resistance, dust resistance, and high-temperature resilience. Combined with a highly durable ETFE laminated case, this design enhances outdoor durability and extends the lifespan of the panels. With an IP65 waterproof rating, they can withstand various weather conditions, ensuring reliability for all your outdoor activities.

【Buy Twelseavan with Confidence】1 x TWELSEAVAN 400W solar panel, 1 x 5-in-1 MC4 connector cable (MC4 to Anderson/XT60/8020/7909/5521), 3 x DC adaptors, and 1 x user manual. Twelseavan offers a 24-month warranty, a 30-day money-back guarantee, and lifelong friendly customer service.

Please note: The open-circuit voltage of the TWELSEAVAN 400W solar panel is 46.9V, which is not suitable for small portable power stations. Please ensure that the maximum voltage supported by your device is greater than 46.9V.

【HIGH CONVERSION EFFICIENCY】TWELSEAVAN 400W solar panels use A+ grade monocrystalline solar cells with a conversion efficiency of up to 24%, converting more solar energy into usable energy and achieving faster charging speed.

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Product Details

SKU:: awhd-us-b0fcc39xy7
Model:: solar panel
Country:: US
ASIN:: B0FCC39XY7

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $50 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for TWELSEAVAN products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.