Imperial Star 550 Watt Bifacial Solar Panel

Imperial Star Atlas ISM7-SHSB144-550/M — 555W Bifacial Solar Panel

The Imperial Star Atlas is a 550W monocrystalline P-type (182mm) bifacial double-glass solar module built for high output and long-term durability in demanding climates. With 21.5% module efficiency and a positive power tolerance (0 to +3%), it delivers strong energy yields, while bifacial construction captures reflected light on the rear side for additional gains. A fiber-reinforced polymer (FRP) frame resists corrosion and provides electrical insulation, and the dual-glass build with anti-reflective, self-cleaning coating stands up to temperature swings, humidity, UV, sand, dust, and salt spray. Backed by a 30-year power output warranty (0.45% annual degradation) and a 12-year product warranty.

Dimensions & Weight

• Dimensions: 89.7" × 44.6" × 1.38" (2278 × 1134 × 35 mm)

• Weight: ~99.2 lbs (45 kg)

Electrical Specifications (STC)

• Maximum Power (Pmax): 550 W

• Module Efficiency: 21.5%

• Optimum Operating Voltage (Vmp): 42.14 V

• Optimum Operating Current (Imp): 13.18 A

• Open Circuit Voltage (Voc): 49.93 V

• Short Circuit Current (Isc): 14.05 A

• Max System Voltage: 1500 VDC

• Max Nominal Fuse Current: 30 A

• Power Tolerance: 0 to +3%

• Operating Temperature: −40°C to +85°C

Construction

• 144 (6×24) half-cut cells

• Front glass: 4.0 mm high-transparency, AR-coated, thermally reinforced

• Back glass: 2.0 mm heat-strengthened

• Junction box: IP68, 3 diodes

• Connector: TE SolarLok 2.0

• Cable: 4mm² / 12 AWG (300 mm portrait / 1400 mm landscape)