More Power, Less Fee

High-powered 400W solar panel allows you can power with solar energy at a maximum speed, whether you are at home or on the go. Satisfying your power demand while saving fees in the long run.

High Conversion Efficiency 400w solar panel

With a power rating of 400W, solar panel efficiency reaches up to 24.8%. Capable of capturing about 2KWh of solar energy under 6 hours of good sunshine (ideal conditions), enough to keep your equipment running for hours.

Excellent Performance

Adopt monocrystalline solar cells and multi-layer ETFE for enhanced light transmittance, superior efficiency, and extended lifespan. The ETFE coating surface with IP68 protection to resist splash-proof, scratch, and dust.

Wide Compatibility

Designed with an industry-standard solar connector, fit OUKITEL power station, also compatible with most third-party power stations (please confirm the charging voltage of the PV port before charging).

Specs of 400W Solar Panel

Rated Power

400W

Battery Cell Type

Monocrystalline Silicon

Lamination

ETFE (Ethylene tetrafluoroethylene)

Efficiency Rate

24.8%

Splashproof

IP68

Dimension (Folded / Unfolded)

640*990*60mm / 2362*990*3mm

Weight

38.6lbs/17.5kg

Open Circuit Voltage

48V

Short Circuit Current

12A

Work Power Voltage

Max. 36V

Work Power Current

Max. 11.1A

Connection Method

MC4

Cable Length

3M

Operating Temperature

14℉-149℉/-10℃-65℃

Best Working Temperature

77℉ (25℃)

Safety Certifications

FCC, CE, ROHS

Warranty

5 Years

OUKITEL 400W Solar Panel User Manual

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High Performance for Outdoor and Off-Grid Energy

Eco-Friendly Solar Power

  • The OUKITEL 400 W Portable Solar Panel delivers powerful, eco-friendly solar power for homes, camping, RVs, and off-grid living.
  • Crafted with monocrystalline solar cells, the panel achieves up to 24.8 % higher solar conversion efficiency, providing around 2 kWh of energy under 6 hours of direct sunlight.
  • The ETFE lamination increases light transmittance and surface durability, ensuring years of reliable performance in sun, rain, or dust.

Portable, Durable, High-Capture

  • Its compact design folds neatly (37.7 × 26.7 × 5.9 in) for easy transport; unfolded dimensions reach 100.5 × 37.7 × 0.8 in for maximum solar capture.
  • Built for outdoor activities, the IP68 splash-proof and weather-resistant structure withstands rain and harsh temperatures from –10 °C to 65 °C.
  • Lightweight and portable at 17.5 kg, with a foldable carry case and protective panel frame for secure setup in any space.

Powerful, Weatherproof Solar Energy

  • Features a high solar output of 400 W, open-circuit voltage 48 V, and work current 11.1 A for stable charging in sunlight or partial shade.
  • MC4 connection method + 3 m cable allows instant plug-and-play connection with OUKITEL power stations or third-party models at the right voltage.
  • Durable and weatherproof materials help maintain panel efficiency in wet or hot conditions, protecting internal cells from damage.
  • Ideal for anyone seeking powerful energy production with a clean, quiet, and maintenance-free solar solution for everyday or emergency use.

Reliable Backup & Sustainable Power

Efficient, Durable Solar Power

  • The 400 W solar panel maximizes output using multi-busbar monocrystalline cells for even more energy in limited space.
  • Designed for off-grid and outdoor use, its weatherproof ETFE coating keeps performance high under direct sunlight or rain.
  • Each panel includes a protective carry case and reinforced hinges to withstand travel and frequent installation.

Fuel-Free, Reliable Power

  • Produces powerful energy production without fuel or noise — a sustainable alternative to gas generators.
  • High performance is maintained across temperature fluctuations with automatic protection against overheat and moisture.
  • Compatible with the OUKITEL P5000, P2001 Plus and P1000 Plus, as well as other brands of portable power stations via standard connectors.

Portable, Efficient Solar Power

  • Its unique folding design reduces storage space while keeping the unit ready to deploy for fast solar recharge.
  • Generates maximum voltage 36 V and open-circuit 48 V, supplying steady energy for batteries and devices during outdoor use.
  • Certified safe by FCC, CE, and RoHS, the panel is a must-have for campers, RV owners, and anyone relying on portable solar energy.
  • From backyard projects to professional field work, this panel delivers a balance of portability, efficiency, and durability for modern solar needs.

Frequently Asked Questions

What makes the OUKITEL 400 W Portable Solar Panel different from other solar panels?

Its monocrystalline solar cells and ETFE coating achieve up to 24.8 % efficiency with IP68 protection for durable, high-performance solar power.

Can this 400 W solar panel be used with any portable power station?

Yes, it fits OUKITEL models and most third-party power stations using standard MC4 connectors and matching voltage ranges.

How portable is the panel for camping and outdoor activities?

It weighs only 38.6 lb and folds compactly into a carry case, making it easy to store and transport for outdoor use.

What is the maximum power and voltage output of this panel?

The rated output is 400 W with a work voltage of 36 V and open-circuit voltage of 48 V, providing stable solar charging.

Are the monocrystalline solar panels better for off-grid living?

Yes, they provide higher solar conversion efficiency and longer lifespan than polycrystalline types, ideal for off-grid living.

Is the 400 W portable solar panel waterproof and weatherproof?

Yes, the ETFE surface and IP68 rating protect against rain, splash, and dust for consistent performance outdoors.

Can the panel generate more energy under direct sunlight?

Yes, it achieves maximum solar output in direct sunlight and still performs efficiently under partly cloudy conditions.

What are the unfolded dimensions and installation space requirements?

Unfolded size is 100.55 × 37.76 × 0.83 in (2554 × 959 × 21 mm); it fits easily in most outdoor setups and RV spaces.

Does the panel come with a cable for connection and charging?

Yes, it includes a 3 m MC4 cable for easy connection to power stations or battery units.

What is the warranty and expected lifespan of this solar panel?

It includes a 5-year warranty and is built for long-term use thanks to its ETFE coating and durable monocrystalline structure.