REC · Solar Panels
REC Alpha Pure-R: Specs, Warranty & Reviews
A 400–430 W heterojunction panel with a very low temperature coefficient and up to 25-year product cover through REC’s ProTrust installer scheme.
Specifications
- Power range
- 400–430 W
- Max efficiency
- 22.3%
- Cell type
- 80 half-cut REC heterojunction cells
- Temperature coefficient (Pmax)
- −0.24%/°C
- Degradation
- 98% in year 1, then 0.25%/year; 92% at year 25
- Dimensions / weight
- 1730 × 1118 × 30 mm / 21.5 kg
- Product warranty
- 20 years standard; 25 years with REC ProTrust (REC Certified installer)
- Power warranty
- 25 years
Source: REC Alpha Pure-R Series Datasheet · checked 4 November 2026. Specs can change between product revisions — confirm with your installer.
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Specifications come from manufacturer datasheets, checked 4 November 2026. We have not lab-tested these products and don’t give them scores; ratings shown are from moderated customer reviews only. We are not paid by manufacturers and these pages contain no affiliate links. How we compare products.