Gridly
Editor's Pick
Tier 1
SunPower
Maxeon 3
IBC · 400W · Made in Malaysia/Mexico
Indicative Panel Price
$190
$0.48/W · per panel supply only
Wattage
400W
Efficiency
22.6%
Price/Watt
$0.48/W
Cell Type
IBC
Product Warranty
40 yrs
Year 25 Output
92%
Key strengths
- ✓Industry-leading 40yr warranty
- ✓Best temp coefficient -0.27%
- ✓92% output at year 25
Watch out for
- ✗Very expensive per watt
- ✗Being phased out for P7
- ✗Lower wattage 400W
Full editorial review coming soon.
Full Specifications
Performance
- Price/Panel
- $190
- Price/Watt
- $0.48/W
- Wattage
- 400W
- Efficiency
- 22.6%
- Temp. Coefficient
- -0.27%/°C
- Annual Degradation
- 0.25%
- Year 25 Output
- 92%
Physical
- Cell Type
- IBC
- Dimensions
- 1690x1046x40mm
- Weight
- 19 kg
- Panel Colour
- black
- Front Load
- 5400 Pa
- Rear Load
- 2400 Pa
- Salt Mist Rating
- IEC 61701 level 6
Warranty & Company
- Product Warranty
- 40 years
- Performance Warranty
- 40 years
- Tier 1
- Yes
- Company Origin
- Singapore
- Made In
- Malaysia/Mexico
- AU Office
- Yes
- Last Updated
- 2026-03
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