Rich Solar MEGA 250 PRO 24V
#48 in 150 W and upFull review
A good fit for a 24 V cabin, tiny-home or camper system with an MPPT controller. Owners of 12 V PWM setups should take the regular MEGA 250 instead.
Amazon $269.99$269.99
The Rich Solar MEGA 250 PRO 24V is the better rigid solar panel overall, rated 3.6 to 3.3. The Rich Solar MEGA 250 PRO 24V leads on durability.
ACOPOWER 250W Bifacial N-Type
#51 in 150 W and upFull review
For an RV, cabin or ground mount with room for a 61 in panel and an MPPT controller. The bifacial back helps most when the panel is tilted above a light surface.
Amazon $269.80$269.80
Prices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Rich Solar MEGA 250 PRO 24V for durability (IP68, 10-year warranty vs IP67, 5-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 150 W and up rigid solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | Rich Solar MEGA 250 PRO 24V | ACOPOWER 250W Bifacial N-Type |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Value 45% | 40 $1.08 per rated watt | 40 $1.08 per rated watt |
| Tested output 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Durability 25% | 100 IP68, 10-year warranty | 67 IP67, 5-year warranty |
| Efficiency 15% | 68 21.4% module efficiency | 62 21.1% module efficiency (from size and rated power) |
Specifications
| Rich Solar MEGA 250 PRO 24V | ACOPOWER 250W Bifacial N-Type | |
|---|---|---|
| Output | ||
| Rated power | 250 W | 250 W |
| Module efficiency | 21.4% | 21.1% (rated power over panel area) |
| Claimed efficiency | 25.1% (maximum cell efficiency; datasheet module efficiency 21.4%) | 25.4% (cell efficiency (the datasheet headline says maximum cell efficiency; its table labels it module efficiency)) |
| Cells | Monocrystalline (N-type TOPCon, 16BB, quarter-cut, 128 cells) | Monocrystalline (N-type TOPCon, 16BB, 128 cells) |
| Bifacial | No | Yes |
| Electrical | ||
| Open-circuit voltage (Voc) | 44.7 V | 44.8 V |
| Voltage at max power (Vmp) | 36.9 V | 38.4 V |
| Short-circuit current (Isc) | 7.2 A | 7 A |
| Current at max power (Imp) | 6.8 A | 6.7 A |
| Voc temperature coefficient | -0.3%/°C | -0.3%/°C |
| Series / parallel | Yes | Yes |
| Connections | ||
| Output connector | Solar connectors | MC4, 12 AWG leads |
| Build | ||
| Weight | 26.9 lb (12.2 kg) | 26.3 lb (11.9 kg) |
| Dimensions | 60.6 x 29.9 x 1.2 in | 61.0 x 30.1 x 1.4 in |
| Frame | anodized aluminum alloy, 1.3 mm | black anodized aluminum alloy |
| Glass | 3.2 mm AR-coated tempered | 3.2 mm AR-coated tempered |
| Junction box rating | IP68 | IP67 |
| Warranty | 10 years | 5 years |
| Output warranty | 25-year limited power output warranty | 25-year power output warranty |
| Released | 2024-10 | - |