TW Solar 620‑Watt N‑type Monocrystalline Half‑cell Bifacial Solar Panel 66HD620; Voc 48.30 V, Vmp 41.55 V, Imp 14.93 A, Isc 15.95 A, 23.0 % Efficiency

TW  Solar 620‑Watt N‑type Monocrystalline Half‑cell Bifacial Solar Panel

Electrical Characteristics (STC):

• Maximum Power (Pₘₐₓ): 620 Wp
• Open‑Circuit Voltage (Vₒc): 48.30 V
• Voltage at Maximum Power (Vmp): 41.55 V
• Current at Maximum Power (Imp): 14.93 A
• Short‑Circuit Current (Isc): 15.95 A
• Module Efficiency: 23.0 %

Mechanical Parameters:

• Cell type: TNC (N‑type monocrystalline) in a 132‑cell (6×22 half‑cell) layout
• Dimensions: 2382 × 1134 × 30 mm (±2 mm)
• Weight: 32.5 kg
• Front glass: 2.0 mm AR‑coated, heat‑strengthened
• Rear glass: 2.0 mm heat‑strengthened
• Frame: Anodised aluminium alloy
• Junction box: IP68 rated with 3 diodes
• Output cable: 4.0 mm² (standard length +400 mm/–200 mm; custom ±1400 mm available)
• Wind load: 2400 Pa; Snow load: 5400 Pa
• Packaging: 36 panels per pallet; 720 panels per 40′ HC container

Key Features:

• N‑type cells for negligible LID and superior low‑light performance
• Half‑cell design to reduce resistive losses and improve shade tolerance
• Bifacial capability for up to +30 % additional rear‑side energy
• Robust build with tempered glass and IP68 junction box for harsh environments
• Excellent temperature coefficient (–0.30 %/°C) for higher yield in hot climates