Longi
625W Longi Bifacial
625W Longi Bifacial
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The LONGi Hi‑MO 7 LR8‑66HGD 625W bifacial solar module is engineered for high‑performance utility, commercial, and industrial solar installations. Built with advanced HPDC cell technology and a dual‑glass structure, this module delivers exceptional power density, enhanced bifacial energy gain, and long‑term lifecycle reliability.
Designed for demanding environments and large‑scale deployments, the 625W Hi‑MO 7 offers high efficiency of 23.1%, strong temperature coefficients, and certified durability for maximum long‑term output.
Key Features
High Power Output
- Maximum power output: 625W
- Module efficiency: 23.1%
- Power tolerance: 0 to +3%
Bifacial Energy Gain
- Bifaciality factor: 80 ± 5%
- Rear‑side energy gain increases total yield by 5–25% depending on installation conditions.
Durable Dual‑Glass Construction
- Dual heat‑strengthened glass (2.0 mm + 2.0 mm)
- Mechanical load resistance:
- Front: 5400 Pa
- Rear: 2400 Pa
- Hail impact tested with 25 mm hailstones at 23 m/s
Long‑Term Reliability
- 12‑year product warranty
- 30‑year linear power warranty
- First‑year degradation: less than 1%
- Annual degradation from Year 2–30: 0.4%
Superior Temperature Performance
- Temperature coefficient of Pmax: ‑0.28%/°C
- Lower operating temperatures due to half‑cell architecture
Technical Specifications
Electrical Characteristics (STC)
- Maximum Power (Pmax): 625W
- Open‑Circuit Voltage (Voc): 48.98V
- Short‑Circuit Current (Isc): 16.10A
- Voltage at Max Power (Vmp): 41.11V
- Current at Max Power (Imp): 15.21A
NOCT Performance
- Pmax: 475.8W
- Voc: 46.55V
- Isc: 12.93A
- Vmp: 39.07V
- Imp: 12.18A
Mechanical Specifications
- Dimensions: 2382 × 1134 × 30 mm
- Weight: 33.5 kg
- Frame: Anodized aluminium alloy
- Junction box: IP68 with three diodes
- Cable: 4 mm², ±1400 mm (customizable)
Operating Conditions
- Operating temperature: −40°C to +85°C
- Maximum system voltage: 1500V DC
- Maximum series fuse rating: 35A
- Protection class: Class II
Certifications
- IEC 61215
- IEC 61730
- UL 61730
- ISO 9001:2015
- ISO 14001:2015
- ISO 45001:2018
- IEC 62941
Ideal Applications
- Utility‑scale solar farms
- Commercial rooftops
- Industrial facilities
- Ground‑mount bifacial systems
- High‑albedo environments for maximum rear‑side gain
Specifications Document
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"We still in the process of having our system installed. Since the beginning of our interaction with Haultron we have had excellent service. Very professional and friendly staff. We highly recommend Haultron to anyone. Keep up the great work!"
Terence and Nela Ellis
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"Great people all round, exceeded expectations and lives up to promises. A refreshing experience..."
Vincent Hickman
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"Excellent service from start to finish. Constant progress updates which immediately puts an online shopper's mind at rest. I will definitely recommend Haultron."
Ellen Eades
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"Excellent Service. I loved the communication prior to the delivery."
Ruan Venter
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