Advance Power API-M255 vs Canadian Solar CS6P-255PX
Peak power: Advance Power API-M255 255 Wp, Canadian Solar CS6P-255PX 255 Wp. The Canadian Solar CS6P-255PX is better on 4 of 5 comparable points.
Who wins where
- Advance Power API-M255
- Canadian Solar CS6P-255PX
Biggest differences
| Fact | API-M255 | CS6P-255PX |
|---|---|---|
| Temperature coefficient Pmax | -0.48 %/°C | -0.42 %/°C |
| Efficiency | 15.6 % | 16.5 % |
| Nominal operating cell temperature (NOCT) | 46 °C | 43.6 °C |
| PTC power rating | 228.2 W | 234.3 W |
Score per area = position (0–100) relative to all 1000 models in this category; higher is better.
| Technical specifications | Advance PowerAPI-M255 | Canadian SolarCS6P-255PX |
|---|---|---|
| General | ||
| Cell type | Monocrystalline 1 | Polycrystalline 1 |
| Performance | ||
| Peak power | 255 Wp 1 | 255 Wp 1 |
| PTC power rating | 228.2 W 1 | 234.3 W ✓ 1 |
| Efficiency | ||
| Efficiency | 15.6 % 1 | 16.5 % ✓ 1 |
| Temperature coefficient Pmax | -0.48 %/°C 1 | -0.42 %/°C ✓ 1 |
| Nominal operating cell temperature (NOCT) | 46 °C 1 | 43.6 °C ✓ 1 |
| Dimensions & weight | ||
| Width | 995 mm 1 | 959 mm 1 |
| Height | 1,646 mm 1 | 1,615 mm 1 |
Sources
- CEC Solar Equipment List – PV modules — California Energy Commission · accessed 27 Sept 2026