Description

📝 Product Description

The JA Solar 615W bifacial solar panel (model JAM66D45-615/LB) delivers industry-leading performance by combining advanced DeepBlue or TOPCon n-type cell technology with robust double-glass construction for superior reliability and reduced degradation over time. Its bifacial design enables power generation from reflected sunlight on the rear side, increasing total energy yield — especially when mounted over reflective surfaces. With excellent low-light response and high mechanical load tolerance, this panel ensures stable performance in diverse climates and environmental conditions. It also features high system voltage capability and long warranties, making it an outstanding choice for grid-tied, hybrid, or large-scale solar systems.

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⚙️ Technical Specifications (Bullet Form)

Electrical Performance

• Rated power output: 615 Wp under STC (front side rating)

• Module efficiency: ~22.8% (typical)

• Open-circuit voltage (Voc): ~48.3 V

• Maximum power voltage (Vmp): ~39.96 V

• Short-circuit current (Isc): ~16.10 A

• Maximum power current (Imp): ~15.39 A

• Power tolerance: 0 ~ +5 W

• Maximum system voltage: 1500 V DC

• Bifaciality factor: ~80% ±10% (rear energy gain)

Cell & Module Construction

• Cell type: n-type monocrystalline half-cells

• Number of cells: 132 (6×22)

• Front and rear tempered glass: 2.0 mm / 2.0 mm

• Junction box: IP68 rated with 3 bypass diodes

• Connectors: MC4 / QC4.10-351 / MC4-EVO2A compatible

Mechanical & Physical

• Dimensions: ~2382 × 1134 × 30 mm

• Weight: ~31.3 – 33.1 kg

• Frame: Anodized aluminum alloy

Environmental & Mechanical Load

• Operating temperature range: −40 °C to +85 °C

• Mechanical load tolerance: ~5400 Pa (front) / 2400 Pa (rear)

Warranty

• Product warranty: 12 years

• Linear power output warranty: 30 years (guaranteed long-term performance)