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JA Solar Module Specifications
| Model | JAM66D45-615/LB |
| Rated Power Output | 615 W |
| Module Efficiency | 22.8% |
| Cell Type | n-type Bycium+ Half-Cell (Mono), 16BB |
| Number of Cells | 132 (6 x 22) |
| Dimensions | 2382 × 1134 × 30 mm |
| Weight | 33.1 kg |
| Glass | 2.0 mm front + 2.0 mm back, tempered |
| System Voltage | 1500V DC |
| Front Load Rating | 5400 Pa (112 lb/ft²) |
| Rear Load Rating | 2400 Pa (50 lb/ft²) |
| Bifaciality | 80% ± 5% |
| Certifications | IEC 61215 / 61730, UL 61730, ISO 9001, ISO 14001, ISO 45001 |
| Warranty | 12-year product / 30-year linear performance |
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JA Solar JAM66D45-615/LB 615W Bifacial Solar Panel
SKU JA-JAM66D45-615/LB-BF-MODULE
JAM66D45-615/LB 615W Bifacial Module
The JA Solar JAM66D45-615/LB is a high-performance 615W bifacial solar module engineered for utility-scale and commercial applications. Featuring n-type Bycium+ half-cell technology and 16 busbars, this module delivers exceptional power density and higher conversion efficiency of up to 22.8%. With double-glass construction and up to 80% bifaciality, it’s designed to harness more energy from both the front and rear sides—making it an ideal choice for projects that demand the highest energy yields per square meter.
Built with a rugged frame and tested to withstand extreme conditions, this 615W panel comes with a 12-year product warranty and a 30-year linear performance guarantee. The JAM66D45-615/LB is certified to top international safety and quality standards, including IEC 61215, 61730, UL 61730, and more.
JAM66D45-615/LB Module Features
- 80%±5% Bifaciality: Captures energy from both sides for greater yield, ideal for systems with reflective ground surfaces or bifacial-optimized designs.
- Durable Dual-Glass Construction: Built with 2.0mm tempered glass on both sides for superior protection against mechanical stress, weather, and PID.
- -0.290%/°C Power Temp Coefficient: Maintains high efficiency in extreme heat with minimal power loss, ensuring strong performance in hot climates.
- 30-Year Linear Power Warranty: Backed by a 12-year product and 30-year performance warranty with only 0.4% annual degradation over time.
- 615W Output with 22.8% Efficiency: Delivers high power density per panel using premium n-type Bycium+ 16BB cell technology for improved energy yield.
JAM66D45-615/LB Module Warranty
JA Solar provides a 12-year product warranty covering materials and workmanship defects, plus a 30-year linear power output warranty. The power warranty guarantees that module output will be no less than 83.1% of nominal power after 25 years, with only 2.5% degradation in the first year and 0.6% annual degradation thereafter.
JAM66D45-615/LB 615W Solar Panel Review
The JA Solar JAM66D45-615/LB represents a balance of innovation, reliability, and real-world performance. Designed for the most demanding commercial and utility-scale applications, this module’s bifacial capability, glass-glass durability, and industry-leading 30-year power warranty provide lasting value. With proven cell technology and globally trusted certifications, it’s a top contender for high-efficiency system builds.
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