[400W Solar Panel] - ALLPOWERS 400W solar panel with Multi-Contact 4 connectors provides 400W solar power for your solar generators like ALLPOWRS S1500/S2000/S2000 Pro/R4000 and other large generators in the market.
[High cell efficiency] - ALLPOWERS 400W solar panel is equipped with polycrystalline solar modules and can convert up to 22% of sunlight into usable electricity, so you can get solar power even on cloudy days.
[Durable ETFE Coating] - This 400W solar panel can withstand even severe environmental conditions. It is made of multiple layers of flexible EVA and rugged fiberglass for more durability and mobility. It is also IP67 rated against dust and water ingress.
[Foldable and Portable] - With a folded size of 105 × 53.2 x 6.5 cm and a weight of 18.5 kg, you can take this solar panel anywhere you need solar power.
[What You Get] - ALLPOWERS 400W solar panel, Multi-Contact 4 to XT60 cable, Multi-Contact 4 to DC cable, user manual, 24 months warranty and friendly online customer service.

400W Solar panel

Peak Power: 400W

Cell Lamination: ETFE

Cell Type: Polycrystalline

Solar Conversion rate: 22%

Voltage at max power(Vmp): 37.4V

Open circuit voltage(OCV): 45.3V

Current at Max Power(Imp): 10.6A

Short Circuit Current(Isc): 11.45A

Weight: 47.8 pounds/ 21.4 kg

Package Dimensions: 110 x 61 x 17 cm/ 40.94 x 23.62 x 4.72 inches

Maximum output (ppm): 200W 土5%

Open voltage (Vor): 48.96V

Maximum output voltage (Vm): 41.6V

Short circuit current: 5.33A

Maximum output current: 4.8A

Cell material: Monocrystalline silicon+ETFE

Maximum conversion rate(EFF):23%-25%

Operating temperature: -20°C~60°C

Unfolded size: 205.6cm×58.7cm×0.3cm

Folded size: 55.9cmx58.7cmx2cm

Weight: 7.16kg

Durability: IP68 rated（waterproof, dustproof, ETFE surface resists scratches）

• Wide Compatibility: Designed to work with most portable power stations and solar generators available today. Includes a standard MC4 output with a versatile adapter cable for quick and secure connection.
• High Conversion Efficiency: Built with premium monocrystalline solar cells and a durable ETFE surface layer, delivering an industry-leading conversion efficiency of 23–25% for faster, more reliable charging in real-world conditions.
• Rugged & Weatherproof – IP68 Rated: Fully dust-tight and waterproof (IP68), this solar panel withstands heavy rain, sand, snow, and even temporary submersion. The reinforced ETFE coating resists UV degradation, scratches, and wear—making it truly built for life off the grid.