Stellar G4-66Dw Dual-Glass 655W-680W

Module

Stellar G4-66Dw 
Dual-Glass 655W-680W

4th-generation

Higher power | Lower LCOE

Power :
655W～685W

15-year
Product Warranty

30-year
Performance Warranty

Efficiency: up to 25.2%
Low performance degradation: ≤1% first-year degradation, ≤0.35% annual degradation from Year 2-30
Premium warranty: 15-year product warranty 30-year performance warranty
Better temperature coefficient: -0.26%/°C

BloombergNEF Tier1 PV module manufacturer

PVEL 2026 Top Performer (Best PV Module Manufacturer)

PV Magazine Test: 5-Star “VERY GOOD” Rating

Stellar G4-66Dw Dual-Glass 655W-680W AIKO-A-GRH66Dw