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Rich Solar

RIch Solar MEGA 250 PRO | 250 Watt 24 Volt Solar Panel

SKU RS-M250PB
$319.99
$319.99

Estimated shipping time

You can typically expect your items to arrive within 4–7 business days, depending on your location and product availability.

What is your Return Policy?

At Northgrid Supply, we want every customer to shop with confidence. If something doesn’t go as planned, we’ve made returns and refunds simple and fair. Here’s how it works:

1. Return Window

You can request a return within 30 days of receiving your order. Unfortunately, we’re unable to accept returns after that time frame.

2. Who Pays for Return Shipping?

  • If your item arrives damaged, defective, or incorrect, we’ll cover the return shipping cost.
  • If you’re returning an item because you changed your mind, you’ll be responsible for return shipping fees.

3. Damaged or Defective Items

Received something broken or not working properly? Contact us within 30 days. We’ll provide a prepaid return label and once the item is returned and inspected, we’ll issue either a full refund or a replacement—including any original shipping costs.

4. Changed Your Mind?

If you no longer want the item, you can return it within 30 days—as long as it's unused, in its original packaging, and in resellable condition. You’ll need to handle the return shipping, and once we receive and inspect it, we’ll refund the product cost (excluding shipping).

5. Refund Processing

Once we receive and approve your return, we’ll send a confirmation email and issue a refund to your original payment method within 7 business days. Please allow additional time for banks or credit card companies to process and reflect the refund.

If it’s been over 10 business days since your refund was approved and you still don’t see it, contact us at support@northgridsupply.com and we’ll look into it immediately.

6. Restocking Fees

In some cases, a restocking fee may apply depending on the item and return reason. If applicable, we’ll clearly communicate this during your return request process.

The MEGA 250 PRO is a 250-watt, 24-volt rigid solar panel designed for high-power mobile and off-grid systems. It is suitable for campers, RVs, motorhomes, boats, cabins, tiny homes, DIY solar projects, and larger solar arrays.

N-Type TOPCon cells with a 16-busbar configuration support efficient light capture and low-light performance. High-transmission AR-coated tempered glass, an anodized aluminum frame, and weather-protected electrical components provide durability for outdoor installations.

Pre-drilled mounting holes and pre-attached solar cables support straightforward installation. One panel supports 12V and 24V systems, while two or more panels can be configured for systems operating at 48V or higher.

Key Features

  • N-Type TOPCon Cells: Multi-busbar cell technology improves light trapping, reduces series resistance, and enhances current collection.
  • 16-Busbar Configuration: Designed to improve real-world power output through better light capture and lower electrical resistance.
  • Low-Light Performance: Maintains energy production during cloudy conditions and lower-light periods such as mornings and evenings.
  • Positive Power Tolerance: A 0 to +5W tolerance helps ensure at least the rated output.
  • High-Transmission Glass: AR-coated tempered glass enhances sunlight absorption while supporting outdoor durability.
  • Weather-Resistant Construction: Designed to withstand salt, ammonia, sand, elevated temperatures, and high humidity.
  • IP68 Protection: The sealed junction box and solar connectors provide weather protection.
  • PID Resistance: Advanced cell processing and module material control help resist potential-induced degradation.
  • Double EL Inspection: Fully inspected twice through electroluminescence testing to help identify microcracks.
  • Extensive Testing: Undergoes more than 30 in-house tests, including UV exposure, thermal cycling, and high-frequency testing.
  • Certified Mechanical Strength: Withstands positive loads up to 5,400 Pa and negative loads up to 2,400 Pa.
  • Flexible Installation: Pre-drilled holes support ground mounts, Z-brackets, pole mounts, and tilt systems.
  • Plug-and-Play Connection: Solar connectors with 4-foot pre-attached cables support connection to other panels.
  • Simplified High-Power Configuration: One panel supports 12V and 24V systems, while two or more panels can support systems operating at 48V or higher.
MEGA 250 PRO 24V 250W N-Type solar panel

Powerful Output in Every
Condition

  • TOPCon N-Type + 16-Busbar Cells: Boosts real-world output with better light capture and lower resistance.
  • 3.2mm AR-Coated Tempered Glass: Enhances sunlight absorption and ensures lasting durability.
  • All-Weather Performance: Strong low-light output and a -0.35%/°C temperature coefficient for stable power.
MEGA 250 PRO low-degradation power output comparison
MEGA 250 PRO extreme weather durability and waterproof connectors

Engineered for Extreme
Durability

Built to withstand harsh environments, including salt, ammonia, sand, high temperatures, and high humidity.

  • IP68 Waterproof Rating: Sealed junction box and MC4 connectors for all-weather protection.
  • Rigorous Testing: Over 30 in-house tests, including UV, thermal cycling, and high-frequency testing, ensure durability.
  • PID-Resistant & 100% Double EL Inspected: Prevents micro-cracks and guarantees module integrity.

Effortless Installation

  • Quick Setup: Pre-drilled holes allow flexible mounting options for fast, hassle-free installation.
  • Plug & Play: MC4 connectors with 4ft pre-attached cables for easy connection to other solar panels.
  • High Compatibility: Works seamlessly with PWM/MPPT controllers and on/off-grid inverters for versatile system integration.
Installing the MEGA 250 PRO solar panel on an RV roof
MEGA 250 PRO simplified high-power solar configuration

Simplified High-Power Solutions

  • Fewer Panels Needed: One panel supports 12V/24V systems; two or more panels power 48V+ systems.
  • Simpler Wiring: Reduce cable complexity and connection points for faster, easier installation.
  • Ideal for High-Wattage Systems: Perfect choice for off-grid homes, RVs, and large solar arrays.

Specifications

  • Maximum Power Output: 250W
  • Nominal Voltage: 24V
  • Maximum Cell Efficiency: 25.1%
  • Module Efficiency: 21.4%
  • Positive Power Tolerance: 0 to +5W
  • Maximum Power Voltage: 36.9V
  • Maximum Power Current: 6.78A
  • Open-Circuit Voltage: 44.7V
  • Short-Circuit Current: 7.24A
  • Maximum System Voltage: 1,500 VDC
  • Maximum Series Fuse Rating: 20A
  • Operating Temperature Range: -40°F to 185°F
  • Nominal Module Operating Temperature: Approximately 113°F ± 3.6°F
  • Maximum Power Temperature Coefficient: Approximately -0.194%/°F
  • Open-Circuit Voltage Temperature Coefficient: Approximately -0.156%/°F
  • Short-Circuit Current Temperature Coefficient: Approximately 0.025%/°F
  • Solar Cell Type: N-Type TOPCon
  • Cell Dimensions: 7.2 × 1.8 inches
  • Cell Configuration: 128 cells arranged 4 × 16 × 2
  • Glass: Approximately 0.13-inch high-transmission, AR-coated tempered glass
  • Backsheet: White or black, depending on the selected model
  • Connector Type: Solar connectors
  • Frame: Anodized aluminum alloy
  • Junction Box Rating: IP68
  • Solar Connector Rating: IP68
  • Cable Type: No. 12-gauge photovoltaic cable
  • Cable Length: 4 feet
  • Number of Pre-Drilled Mounting Holes: 14
  • Weight: 26.9 lb
  • Positive Load Capacity: 5,400 Pa
  • Negative Load Capacity: 2,400 Pa

Size Guide

  • Overall Dimensions: 60.6 × 29.9 × 1.2 inches
  • Dimensional Tolerance: Actual dimensions may vary by ±0.1 inch

Compatibility

Compatible With: PWM and MPPT charge controllers, on-grid and off-grid inverters, mainstream optimizers, inverters, and mounting systems

System Voltage Support: One panel supports 12V and 24V systems; two or more panels can power systems operating at 48V or higher

Connection Configurations: Series and parallel configurations

Supported Mounting Options: Ground mounts, Z-brackets, pole mounts, and tilt systems

Suitable Applications: Campers, RVs, motorhomes, boats, cabins, tiny homes, DIY solar systems, off-grid homes, mobile installations, and large solar arrays

Product Support

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