MEGA Series Solar Panels

MEGA 250 | 250 Watt Solar Panel | Premier 12V Off-Grid Solar Panel for RVs, Vans, Boats | 25-Year Output Warranty | UL Certified

SKU: RS-M250B
$299.99
Model Options:

Specifications & Downloads

Specifications

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UL Certification

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  • On Panel Cable Length
    ≈ 35 in
  • Maximum Power (Pmax)
    250W
  • Maximum Power Voltage (Vmp)
    18.9V
  • Maximum Power Current (Imp)
    13.2A
  • Open Circuit Voltage (Voc)
    22.8V
  • Short Circuit Current (Isc)
    13.7A
  • Maximum System Voltage (Vmax)
    1500VDC
  • Temperature Range
    -40 ~ +185°F
  • Weight
    26.9 lb
  • Dimensions
    60.6 x 29.9 x 1.2 in

Warranty

Customer Support:

Call 800-831-9889 to speak with one of our representatives.

Email: support@richsolar.com

Phone Hours: Mon-Fri 9am-5pm PST


Local Pickup Available at Request:

1900 Mountain Ave
Norco, CA 92860

Warning: Cancer risk and reproductive harm. www.P65Warnings.ca.gov

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  • INTRODUCING THE MEGA 250 SOLAR PANEL

  • INTRODUCING THE MEGA 250 ONYX SOLAR PANEL

MEGA 250

12V 250W Solar Panel

250W Maximum Power Output

25.1% Maximum Cell Efficiency

0~+5W Positive Power Tolerance

64 Cells Monocrystalline Module

RV

Van

Marine

Cabin

DIY

Off-Grid

Specifications

Maximum Power( Pmax): 250W
Maximum Power Voltage (Vmp): 18.9V
Maximum Power Current (Imp): 13.2A
Open Circuit Voltage (Voc): 22.8V
Short Circuit Current (Isc): 13.7A
Maximum System Voltage(Vmax): 1500VDC
Temperature Range: -40°F~ +185°F
Weight: 26.9 lb
Dimensions: 60.6 × 29.9 × 1.2 in

Tough Solar Panels for
Tougher Environments

  • IP68 Weatherproof Build: Durable IP68 junction box and IP67 connectors for all-weather reliability.
  • Certified Strength: Withstand up to 2400 Pa wind and 5400 Pa snow load for dependable performance.
  • Impact Resistant: Durable against hail up to 35 mm at speeds of 97 km/h, ensuring long-term reliability.

Superior Performance and Reliability

  • Premium Solar Cells: Built with Grade A+ cells for exceptional efficiency, stability, and long-lasting reliability.
  • Rigorous Testing: Each panel undergoes 30+ mechanical and electrical tests, including PID resistance and EL diagnostics, to ensure quality.
  • Low-Light Performance: TopCon N-Type cells, 16 busbars, and AR-coated glass work together to capture more light and deliver steady power even in cloudy or low-light conditions.

Compact Solar Panel with 25.1% Efficiency

  • Compact Size: 10% smaller than standard 10BB 250W panels, perfect for tight RV/van/trailer roofs.
  • TopCon Technology: Higher efficiency, lower degradation, longer lifespan.
  • Half-Cut + 16-Busbar Design: Reduces power loss, minimizes hotspots, and maximizes power output.
  • Shading-Resistant: Bypass diodes maintain stable performance in partial shade.

Versatile Uses for Your Solar Panel

FAQ

Do l need to install an inverter if l only want to charge my boat or Rv battery with a solar panel?

You don’t need an inverter if you’re only charging your battery. However, if you want to use the battery to run different appliances, like a TV or a refrigerator, you need an inverter to convert the DC power to AC power.

Will solar panels work in the winter in my state or province?

Wherever there is sunlight, solar panels will generate electricity. Cooler conditions, like those during the winter, can help improve solar panel performance. Solar panels can still generate electricity in cloudy conditions, just not as efficiently. The panel won't generate any electricity if there is any snow build-up on it, so make sure to keep the panel clear. This goes for any type of obstruction including shade or dirt.

Does my solar panel system require roof penetration?

Solar panels don’t always need a roof penetration for installation. Most times, they can be permanently mounted on the roof using a sealant. Alternatively, they can be installed on the ground.

Can the solar panel drain my battery at night?

If you have a solar charge controller installed in your system, there is no danger of a reverse current draining your battery.

How long will the solar panels last?

The RICH SOLAR MEGA Series solar panels have a performance warranty of 25 years. After 5 years of use, the panels should output more than 95% of the rated power. After 10 years, that output is 90%, and after 25 years, the output should be 80%.

Can the solar module overcharge my battery?

Yes, but only if it’s used without the charge controller, which is why it’s important to always use one when you have a battery.

Can l run my 110V appliances with my solar power system?

Yes, you can run your 110V appliances with your solar power system using an inverter. The inverter connects your solar panel to your battery, converting the DC energy into AC energy, and allowing you to power your appliances.

How to avoid common mistakes in solar panel installation?

Shading: Avoid obstacles that block sunlight. Use shading analysis tools.

Improper Angle: Set panels at a 30–45° tilt facing true south for optimal efficiency.

Wrong Direction: Make sure panels directly face the sun.

Irregular Cleaning: Dirt reduces output—clean panels regularly with soft tools.

Mismatched Equipment: Use compatible panels, batteries, and inverters with matching specs.

Improper Connections: Use high-quality cables and ensure all connections are secure to prevent faults or fire.

What is a Basic Solar System?

Understanding the basics of an off-grid solar system.

Rich Solar Panel System
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Why Choose RICH SOLAR

RICH SOLAR has been a leader in the off-grid solar industry since 2005, with a focus on bringing the world's best solar products to market while providing world-class customer service.

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