Solar Panels comparison

REC Alpha Pure-R 430 vs QCells Q.PEAK DUO M-G11 400

Two premium 25-year-warranty residential panels compared head-to-head: efficiency, dimensions, FEOC compliance, and which gives more roof-tight wattage per dollar.

	REC Alpha Pure-R 430W Bifacial Solar Panel Solar Panel	QCells 400W Solar Panel Solar Panel
Price (MSRP)	$236	$168
Status	Active	Active
Wattage (Pmax)	430 W	400 W
Module efficiency (STC)	22.3%	20.8%
Cell type	HJT	PERC
Bifacial	Yes	No
Open-circuit voltage (Voc)	59.7 V	37.16 V
Short-circuit current (Isc)	8.91 A	13.54 A
Voltage at Pmax (Vmp)	50.5 V	31 V
Current at Pmax (Imp)	8.52 A	12.9 A
Front glass	0.13 in solar glass with anti-reflective surface treatment in accordance with EN12150	3.2mm thermally pre-stressed glass with anti-reflection technology
Frame	Anodized aluminum (Black)	Black anodised aluminium
Cable length	1400 mm	1250 mm
Connector type	STAUBLI	MC4
Dimensions	1730 × 1118 × 30 mm	1692 × 1134 × 30 mm
Weight	21.5 kg	21.2 kg
Temp. coefficient (Pmax)	-0.24 %/°C	-0.34 %/°C
Temp. coefficient (Voc)	-0.24 %/°C	-0.27 %/°C
Temp. coefficient (Isc)	0.04 %/°C	0.04 %/°C
Mechanical load	7000 Pa front / 4000 Pa back	5400 Pa front / 3600 Pa back
Operating temp.	-40°C to 80°C	-40°C to 85°C
Product warranty	20 years	12 years
Performance warranty	25 years	25 years
Output cable	-	4 mm²
Buy	current connected →	signature solar →

REC

Alpha Pure-R 430W Bifacial Solar Panel

$236

Best for

✓ tight roof spaces wanting maximum watts/m²
✓ ground-mount or albedo-friendly install with bifacial gain

Full specs →

QCells

400W Solar Panel

$168

Watch out for

! Product warranty is only 12 years — shorter than premium tier-1 panels

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