Rich Solar MEGA 250 12V 250W Rigid Solar Panel

4th of 18 we've scored in Rigid Solar Panels

4th of 18 in Rigid Panels

Rich Solar MEGA 250 12V 250W Rigid Solar Panel

250-299 W panel
TOPCon (N-type) cells
5-year warranty

SVT Score, Upper

Usability6.1/10Social5.3/10The SVT Score is placed on its category's range

Versus

SVT SCORESRead review

A 250 W, 12 V N-type rigid panel with 64 half-cut cells in two halves, an IP68 junction box and a 60.6 x 29.9 in frame.

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SKU: RS-M250 Category: Rigid Solar Panels Brand: Rich Solar

Usability

6.1 out of 10

Capacity8250 W rated, on the 250 to 319 W rung

Electrical: 18.9 V and 13.2 A at maximum power, 22.8 V open circuit

Efficiency6250 W over 1.17 m² computes to 21.4 percent module efficiency

Marketed: 25.1 percent cell efficiency

Operating Range5Pmax temperature coefficient of -0.35 percent per °C

Better on operating rangeRenogy ShadowFlux 200W Panel$239.99Scores 8.0

Lifespan780 percent of rated output guaranteed at 25 years

Schedule: over 95 percent at year five and 90 percent at year ten, per the FAQ

Features4IP68 junction box and split-cell layout; no bifacial cells or station adapters

Cells: 64 half-cut cells, 182 x 91 mm, laid out 4 x 8 x 2

Better on featuresRenogy 250W Bifacial PanelAn IP68 junction box. $264.99Scores 6.0

Verification6UL Listed PV module (QIIA.E553290) as MEGA 250; not on the CEC PV list

Holder: Rich Solar Inc (E553290); contract maker Future Star Energy (Shenzhen) (E549773)
Standard: QIIA is UL's PV-module safety category (UL 61730); abridged view prints no edition
Also: Intertek ETL Listed to UL 61215-1/-1-1/-2 (design qualification) as MEGA-250
Claim: page says certified to UL 61730, IEC 61215 and CSA C22.2

Warranty & Support65-year material warranty on Rich Solar's Amazon listing, the shortest term

Conflict: warranty page lists 10 years workmanship, marked prorated
Datasheet: says a 25-year limited product warranty

Price

List: $299.99 at richsolar.com
Onyx: the all-black MEGA 250 ONYX (RS-M250B) is $299.99

Summary

Efficient 250 W panel, five-year Warranty term

What it is: a 250 W, 12 V N-type rigid panel of 64 half-cut cells for RVs, vans and boats
The trade-off: higher module efficiency and an IP68 junction box, in a large frame
Warranty: Rich Solar's own pages and listings give three product terms; the shortest is scored
Look elsewhere for: a 24 V version (the MEGA 250 PRO) or a smaller roof footprint

Strengths

High output from one 12 V panel
Good module efficiency for a rigid panel
Split-cell layout in two halves
Submersion-rated junction box
Long power-output guarantee

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Drawbacks

Warranty terms differ across Rich Solar's own pages
Connectors not rated as high as the junction box
No station adapters
Large frame for small van roofs

Social score

5.3 out of 10

RedditBrand-level4 out of 10

Scope: few Reddit threads name Rich Solar, and those found are complaints
Battery: an r/SolarDIY owner's new ALPHA 5 read 6.7 V instead of 48 V, and Rich Solar's technician had not returned his call after two days (August 2023)
Order: an r/SolarDIY buyer waited from March for an out-of-stock ground mount, then was told its price had risen from $180 to $699 and cancelled; the refund took months (May 2025)

GoogleBrand-level5 out of 10

Panels: DIY Solar Forum owners of Rich Solar 100 W panels reported them working as rated, one saying eight of them each pushed more than 100 W (August to September 2020)
Defects: an owner of 20 of the 100 W poly panels saw faint snail trails after a summer and found one with a broken diode wire (January 2021)
Controller: another found Rich Solar's MPPT controller OK but its setup and Bluetooth app in need of work (January 2021)
Warranty: a DIY Solar Forum owner reported Rich Solar cut its CIGS panel warranty from 5 years to 1 in 2021 (June 2026); an Escape Forum owner waited six weeks on a warranty claim (August 2024)

YouTubeBrand-level6 out of 10

Will Prowse: in a test of several panels a Rich Solar 200 W mono gave 157 W, 78.5 percent of rating, and a 100 W poly 88 W; he kept the poly first on his list for a small panel (May 2021, about 366,000 views)
Disclosure: Will Prowse states every video includes paid promotion or free product and some links are affiliate links

Amazon6 out of 10

Liked

About 200 W per panel in use, per one owner
Light and compact for the output, per one owner
Performs as advertised, per one owner

Complaints

Connectors only IP67, per one owner

Read the full summary

Rating: 4.4 out of 5 from 30 ratings on RICH SOLAR's own Amazon US listing for the MEGA 250 12 V, 76 percent five-star and 6 percent one-star (October 2026)
Output: one owner averages about 200 W per panel and chose them for their light weight and compact size (read October 2026)
Connectors: another finds them as advertised but marks them down for IP67 connectors (read October 2026)
Onyx: the all-black version's own listing reads 3.7 from 9 ratings (October 2026)

User reviewsNot scored

The retailer pool is blank: no US retailer listing carries ten native reviews of a Rich Solar product, and its Walmart listings hold none or one.

Trustpilot

Trustpilot rates richsolar.com 3.2 from 2 reviews, one three-star and one one-star, on a page claimed in October 2023 with no recent invitations (October 2026).

Track record

The BBB rates Rich Solar of Ontario, California an F, not accredited, on 5 complaints closed in three years (October 2026).
No CPSC or Health Canada recall names Rich Solar, searched in October 2026.
Brinkley RV's NHTSA recall 25V042000 (January 2025) replaced an overheating Rich Solar MPPT solar charge controller in up to 1,723 Model G trailers.

Not countedExcluded

Not counted in any pool: the testimonials on richsolar.com, the RICH SOLAR TALK YouTube channel, Rich Solar's Facebook pages and groups, and any brand-run subreddit.
Also not counted: Rich Solar's affiliate program and creator collaborations, dealer pages, and Explorist.life, whose co-branded panel ties it to Rich Solar.

Summary

Brand-level

3.2 on Trustpilot, an F from the BBB

Specs

CapacityNot applicable
AC OutputNot applicable
System VoltageNot applicable
Panel Power250-299 W
Charge CurrentNot applicable
Safety ListingUL 61730 listed
Cell TypeTOPCon (N-type)
Low-Temp ChargingNot applicable
Warranty5 Years
MonitoringNot applicable
Weight26.9 lb

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At a glance

60.6 x 29.9 x 1.2 in
4 ft 12 AWG leads
14 pre-drilled holes
IP67 solar connectors

Company

Rich Solar is the brand of Rich Solar Inc., which says it began in 2005 and keeps its offices and warehouse in Ontario, California.

Where it sells

It sells with a cart at richsolar.com, through a RICH SOLAR Amazon brand store run by the seller SUNRICH ENERGY, on Walmart, and through dealers such as Outbound Power.

Description

The Rich Solar MEGA 250 (model RS-M250) is a 250 W, 12 V rigid panel of 64 half-cut N-type TOPCon cells, 182 x 91 mm each with 16 busbars, laid out 4 x 8 x 2.

It is rated 18.9 V and 13.2 A at maximum power, 22.8 V open circuit and 13.7 A short circuit, with a 0 to +5 W power tolerance, a 1500 VDC system rating and a 20 A series fuse rating on the datasheet.

It measures 60.6 x 29.9 x 1.2 in (1540 x 760 x 30 mm) and weighs 26.9 lb, with 3.2 mm AR-coated tempered glass on an anodized aluminum frame with 14 pre-drilled mounting holes.

The junction box is IP68 and the connectors IP67, with a pair of 4 ft 12 AWG leads, and Rich Solar rates it for 5400 Pa snow and 2400 Pa wind loads. The all-black MEGA 250 ONYX (RS-M250B) is the same panel at $299.99.