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LONGI Hi-MO7 LR8-66HGD-620M (620 W) solar battery — a highly efficient bifacial photovoltaic module with double glass, designed specifically for large industrial and commercial solar power plants. Using advanced HPDC (High Performance Dual-Cell) cell technology, this panel provides excellent energy generation efficiency, has an excellent temperature coefficient and a high level of reliability throughout the entire life cycle.
Main advantages of the LONGI Hi-MO7 620 W photovoltaic module
- High efficiency: The efficiency of the 620 W model is 23.0%, which allows you to get the most energy from the available area.
- Bifaciality: The bifaciality coefficient is 80±5%. The ability to absorb reflected light from the back side provides a significant additional generation gain and reduces the total cost of electricity (LCOE).
- Ultra-strong double glass: Front and rear 2.0 mm thick tempered glass guarantees maximum protection against microcracks, moisture and environmental influences.
Detailed technical specifications (STC)
Optimized electrical parameters make the LONGI LR8-66HGD-620M module an ideal choice for modern high-power inverters.
- Maximum power (Pmax): 620 W
- Open circuit voltage (Voc): 48.78 V
- Short circuit current (Isc): 16.05 A
- Voltage at maximum power (Vmp): 40.91 V
- Current at maximum power (Imp): 15.16 A
- Output power tolerance (Power Tolerance): 0 ~ +3% (guarantee of positive deviation)
- Temperature coefficient Pmax: -0.280%/°C (an excellent indicator that minimizes generation losses in the summer heat)
- Maximum voltage system: 1500 V DC (IEC/UL)
- Maximum series fuse rating: 35 A
Mechanical parameters and design
- Type and number of photocells: Monocrystalline, HPDC Half-Cell technology, 132 cells (6 × 22).
- Overall dimensions: 2382 × 1134 × 30 mm.
- Module weight: 33.5 kg.
- Frame: Anodized aluminum alloy (classic silver frame).
- Junction box: Protection class IP68 (absolute dust and water resistance), contains 3 bypass diodes.
- Connection cable: Cross section 4 mm², standard length +400 mm / -200 mm (or ±1400 mm on request).
- Mechanical load: Withstands frontal maximum static load up to 5400 Pa (snow) and rear load up to 2400 Pa (wind). Successfully passed the hail test (25 mm at a speed of 23 m/s).
Minimal degradation for long-term investment
The Hi-MO7 series is designed for long-term operation without significant power loss. The degradation of the photovoltaic module in the first year of use is less than 1%. Starting from the 2nd to the 30th year, the annual power reduction does not exceed 0.40%. After 30 years of continuous operation, the panel is guaranteed to retain at least 87.4% of its initial nominal power.
Service support in Ukraine
Total-Energo LLC offers a comprehensive solution: design, equipment selection, installation and professional maintenance of solar power plants based on premium LONGI panels. We provide full technical and service support to maximize the profitability of your project in Ukraine.
Compatibility with charge controllers and inverters
- Perfectly integrated into high-power hybrid systems with Victron Energy based on MultiPlus and Quattro inverters + SmartSolar MPPT RS 450/200 and 450/100 controllers for large-scale projects, as well as SmartSolar 250/85 and 250/100 controllers.
- Absolute compatibility with networked industrial inverters that support string voltages up to 1500 V DC. We strongly recommend Austrian inverters Fronius to guarantee uninterrupted operation of the station!
Certification and international standards
The quality of LONGI Hi-MO7 is confirmed by all key global certificates: IEC 61215, IEC 61730, UL 61730, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018 and IEC 62941. The module has a fire safety class UL type 29 / IEC Class C and the second class of electrical protection (Protection Class II).