1 / 18Hover to zoom · click to enlargeMEGA 250 - 250 Watt Solar Panel
Ships from Rich Solar's U.S. warehouse
- Free shipping, no minimumTo the lower 48 states and Washington, D.C.
- Authorized Rich Solar dealerFull manufacturer warranty and support.
- 25-year output warrantyBacked by Rich Solar.
- 30-day returnsOn new, unused items.
Shipping & handling
- Orders are processed within 1–3 business days.
- Parcel items typically arrive 3–7 business days after shipping. Freight items (panels, batteries, inverters and kits) typically arrive 5–14 business days after shipping.
- Rich Solar and SunGoldPower products ship free to the lower 48 states and Washington, D.C., with no minimum. Lensun shipping is based on weight and shown at checkout.
- Freight deliveries need an appointment and a signature, and are delivered curbside.
Returns & refunds
Request a return within 30 days of delivery. Items must be new, unused, not installed, and in their original packaging.
- Contact us first for a Return Merchandise Authorization (RMA). Returns sent without one are refused.
- For a change-of-mind return, you pay return shipping and a 15% restocking fee is deducted from your refund.
- Damaged on arrival? Report it within 3 business days of delivery and we arrange a replacement or full refund.
Warranty
Rich Solar's warranty page covers rigid MEGA panels with a 25-year power output warranty and a 10-year workmanship warranty, prorated after the first three years. Rich Solar's product FAQ rates output at more than 95% after 5 years, 90% after 10 years and 80% after 25 years.
Need help choosing?
Not sure this fits your system? Email support@sunenergydepot.com with what you want to power, or use the chat in the corner, and we will help you choose.
A compact 12-volt, 250-watt N-Type panel for RVs, vans and trailers
The MEGA 250 is Rich Solar's 250-watt, 12-volt rigid panel. Half-cut N-Type TOPCon cells with 16 busbars reach up to 25.1% cell efficiency, and the panel is 10% smaller than standard 10BB 250W panels.
At 26.9 lb, it has pre-drilled holes, pre-attached MC4 connectors, an IP68 junction box and a 1.3 mm aluminum frame. It is rated for 2,400 Pa wind and 5,400 Pa snow loads and suits RV, van and trailer roofs, boats and cabins.
Tough panels for tougher environments
An IP68 junction box and IP67 connectors keep the MEGA 250 working in all weather.
- Withstands 2,400 Pa wind and 5,400 Pa snow loads
- Resists hail up to 35 mm at 97 km/h
Superior performance and reliability
Grade A+ cells deliver efficiency, stability and long-lasting reliability.
- Each panel undergoes 30+ mechanical and electrical tests
- Testing includes PID resistance and EL diagnostics
- Steady power in cloudy or low-light conditions
Compact panel with 25.1% cell efficiency
The MEGA 250 is 10% smaller than standard 10BB 250W panels, so it fits tight RV, van and trailer roofs.
- N-Type TOPCon cells: higher efficiency, lower degradation
- Half-cut, 16-busbar design reduces power loss and hotspots
- Bypass diodes keep output stable in partial shade
Quick install, durable build
Pre-drilled holes give multiple mounting options for a fast, hassle-free setup.
- Pre-attached cables with MC4 connectors
- Reinforced 1.3 mm thick aluminum frame resists corrosion
Where people use the MEGA 250
Specs, images and product claims on this page come from Rich Solar's MEGA 250 product page and July 2026 spec sheet. Last checked Oct 30, 2026.
Specifications
From Rich Solar's published specifications for model RS-M250.
Electrical
| Maximum power (Pmax) | 250W |
|---|---|
| Power tolerance | 0 to +5W |
| Max power voltage (Vmp) | 18.9V |
| Max power current (Imp) | 13.2A |
| Open circuit voltage (Voc) | 22.8V |
| Short circuit current (Isc) | 13.7A |
| Maximum series fuse rating | 20A |
| Module efficiency | 21.4% |
| Maximum system voltage | 1500 VDC |
Cells & temperature
| Cell type | N-Type TOPCon, half-cut, 16 busbars |
|---|---|
| Maximum cell efficiency | 25.1% |
| Cells | 64 (4 × 8 × 2) |
| Cell size | 7.2 × 3.6 in (182 × 91 mm) |
| Temp. coefficient of Pmax | -0.35%/°C |
| Temp. coefficient of Voc | -0.28%/°C |
| Temp. coefficient of Isc | 0.045%/°C |
| NMOT | 45°C ± 2°C |
| Operating temperature | -40°F to 185°F |
Physical
| Dimensions | 60.6 × 29.9 × 1.2 in (1540 × 760 × 30 mm) |
|---|---|
| Weight | 26.9 lb (12.2 kg) |
| Glass | 3.2 mm high-transmission, AR-coated tempered glass |
| Backsheet | White |
| Frame | Anodized aluminum alloy, 1.3 mm thick |
| Mounting | 14 pre-drilled holes |
| Junction box | IP68 |
| Cable | 12 AWG (4.0 mm²), 47.2 in (1200 mm) |
| Connector | MC4 solar connectors, IP67 |
Durability & warranty
| Wind load | 2,400 Pa |
|---|---|
| Snow load | 5,400 Pa |
| Hail | Up to 35 mm at 97 km/h |
| Certification | UL certified (UL file E547316) |
| Warranty | 25-year power output, 10-year workmanship (prorated) |
| Model / SKU | RS-M250 |
What's in the box
Package contents as listed by Rich Solar.
Documents & certificates
Official files from Rich Solar.
Questions about the MEGA 250
Answers from Rich Solar's published product information.
Do I need an inverter just to charge an RV or boat battery?
No. To charge a battery you need the panel and a charge controller. Add an inverter when you want to run AC appliances, like a TV or refrigerator, from that battery.
Can the panel drain my battery at night?
Not with a solar charge controller installed. The controller prevents reverse current from flowing back from the battery to the panel.
Will it work in winter or on cloudy days?
Yes. The panel produces power wherever there's sunlight, and cooler temperatures can improve performance. Output drops on cloudy days, and snow, shade or dirt on the panel stops production, so keep it clear.
Can the panel overcharge my battery?
Only if it's connected without a charge controller, which is why you should always use one with a battery.
Customer reviews
Reviews from Sun Energy Depot customers, collected by Judge.me.
Pairs well with
Other parts you may need for a MEGA 250 setup.
Rich Solar