JA Solar JAM66D45 LB 620W N-Type Double Glass Bifacial Module(31pcs/Pallet)

JA Solar 620W N-Type Bifacial Double-Glass Solar Module

What it is: A high-output, high-efficiency panel built for utility-scale and commercial solar projects.

Key specs:

• Power output: 620W | Module efficiency: up to 23.0%
• Cell technology: N-Type Bycium+ | Design: bifacial double-glass
• Bifaciality factor: 80% ±10%
• Max system voltage: 1,500V
• Temperature coefficient: -0.29%/°C (Pmax)
• Frame: 35mm reinforced

Mechanical ratings: Front load 5,400 Pa | Rear load 2,400 Pa — built for harsh climates

Built for: Utility-scale solar farms, commercial installations, ground-mounted PV, agricultural and community solar, large off-grid systems

Why it matters:

• N-Type Bycium+ cells = higher efficiency, lower degradation, better low-light/high-temp performance than P-type
• Bifacial design = extra output from reflected light on the rear
• Dual-glass + reinforced 35mm frame = strong structural durability for decades
• 1500V compatibility = longer strings, less wiring, lower system costs
• Certified IEC & UL — bankable for institutional projects

Warranty: 12 years product | 30 years linear power performance

• Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
• Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
• If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.