Official LONGi front and rear panel images. Confirm the exact supplied variant.Back to productsENGINEERING DETAILS Official LONGi front and rear panel images. Confirm the exact supplied variant. 
Official Jinko image for the 72HL4-BDV series. Appearance of the supplied panel may vary.
Official Jinko image for the 66HL4M-BDV series. Appearance of the supplied panel may vary.
Manufacturer illustration of the 66HL4M-BDV family. Actual supplied module appearance may vary.
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Official LONGi front and rear panel images. Confirm the exact supplied variant.
LONGi / Solar Panels
LONGi Hi-MO 7 620W Bifacial Solar Panel
620 W LONGi Hi-MO 7 panel with HPDC cell technology, dual glass construction and 80±5% bifaciality. Manufacturer reference; confirm the exact supplied model and availability with AJ Solar.
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- 620 W rated front-side output at STC
- 23.0% module efficiency
- N-type HPDC half-cell technology
- Dual glass bifacial construction
- 80±5% bifaciality
- IP68 junction box with three diodes
Product overview
- Brand
- LONGi
- Model
- LR7-72HGD-620M · manufacturer reference
- Capacity
- 620 W
- System type
- Solar PV
- Warranty
- Confirm with AJ Solar
- Availability
- Confirm on WhatsApp
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Specifications are taken from the manufacturer’s product information for the model shown. Your quotation will confirm the supplied configuration, compatible equipment and local warranty coverage.
Technical specifications
LR7-72HGD-620M · manufacturer reference · Select a section to view its specifications.
Product details
- Brand
- LONGi
- Series
- Hi-MO 7
- Model
- LR7-72HGD-620M
- Module type
- Bifacial dual glass
- Cell technology
- N-type HPDC
Electrical characteristics (STC)
- Maximum power (Pmax)
- 620 W
- Open-circuit voltage (Voc)
- 52.77 V
- Short-circuit current (Isc)
- 14.85 A
- Voltage at maximum power (Vmp)
- 44.33 V
- Current at maximum power (Imp)
- 13.99 A
- Module efficiency
- 23.0%
Electrical characteristics (NOCT)
- Maximum power (Pmax)
- 472.0 W
- Open-circuit voltage (Voc)
- 50.15 V
- Short-circuit current (Isc)
- 11.92 A
- Voltage at maximum power (Vmp)
- 42.13 V
- Current at maximum power (Imp)
- 11.21 A
Mechanical parameters
- Cell orientation
- 144 (6 × 24)
- Junction box
- IP68, three diodes
- Output cable
- 4 mm²; +400 / -200 mm or ±1400 mm; length can be customized
- Glass
- Dual glass, 2.0 + 2.0 mm heat strengthened glass
- Frame
- Anodized aluminum alloy frame
- Weight
- 33.5 kg
- Dimensions
- 2382 × 1134 × 30 mm
- Length tolerance
- ±2 mm
- Width tolerance
- ±2 mm
- Packaging
- 36 pieces per pallet / 144 pieces per 20′ GP / 720 pieces per 40′ HC
Operating parameters
- Operating temperature
- -40°C to +85°C
- Power output tolerance
- 0 to +3%
- Maximum system voltage
- DC 1500 V (IEC/UL)
- Maximum series fuse rating
- 30 A
- Nominal operating cell temperature
- 45±2°C
- Protection class
- Class II
- Bifaciality
- 80±5%
- Fire rating
- UL type 29 / IEC Class C
Mechanical loading
- Front-side maximum static loading
- 5400 Pa
- Rear-side maximum static loading
- 2400 Pa
- Hailstone test
- 25 mm hailstone at 23 m/s
Temperature ratings (STC)
- Temperature coefficient of Isc
- +0.045%/°C
- Temperature coefficient of Voc
- -0.230%/°C
- Temperature coefficient of Pmax
- -0.280%/°C
Manufacturer warranty reference
- Materials and processing (manufacturer datasheet)
- 12 years
- Extra linear power output (manufacturer datasheet)
- 30 years
- First-year power degradation
- <1%
- Annual power degradation, years 2–30
- 0.4%
- Power warranty retention at year 10
- 95.40%
- Power warranty retention at year 20
- 91.40%
- Power warranty retention at year 30
- 87.40%
Certifications and standards
- Product standards
- IEC 61215; IEC 61730; UL 61730
- Quality management
- ISO 9001:2015
- Environment management
- ISO 14001:2015
- Occupational health and safety
- ISO 45001:2018
- PV module manufacturing standard
- IEC 62941
Test conditions
- STC
- AM1.5, 1000 W/m² irradiance, 25°C cell temperature
- NOCT test condition
- AM1.5, 800 W/m² irradiance, 20°C ambient temperature, 1 m/s wind
- Pmax test uncertainty
- ±3%
Engineering drawing dimensions
- Length / width tolerance
- ±2 mm / ±2 mm
- Rear drawing width
- 1093 mm
- Mounting spacings
- 400 / 790 / 1400 mm
- Mounting slot C
- 14 × 9 mm; radius 4.5 mm
- Mounting slot D
- 10 × 7 mm; radius 3.5 mm
- Frame section A-A
- 30 mm height × 30 mm width
- Frame section B-B
- 30 mm height × 15 mm width
Manufacturer rear-gain example — 615 W reference
- Example applicability
- Manufacturer family reference at 615 W. These are not the 620 W model rear-gain ratings.
- 5% rear-side power gain
- Pmax 646 W; Voc 52.66 V; Isc 15.51 A; Vmp 44.22 V; Imp 14.6 A
- 10% rear-side power gain
- Pmax 677 W; Voc 52.66 V; Isc 16.25 A; Vmp 44.22 V; Imp 15.3 A
- 15% rear-side power gain
- Pmax 709 W; Voc 52.76 V; Isc 16.98 A; Vmp 44.32 V; Imp 15.99 A
- 20% rear-side power gain
- Pmax 740 W; Voc 52.76 V; Isc 17.72 A; Vmp 44.32 V; Imp 16.69 A
- 25% rear-side power gain
- Pmax 770 W; Voc 52.76 V; Isc 18.46 A; Vmp 44.32 V; Imp 17.38 A
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Official LONGi front and rear panel images. Confirm the exact supplied variant.Official Jinko image for the 72HL4-BDV series. Appearance of the supplied panel may vary.Official Jinko image for the 66HL4M-BDV series. Appearance of the supplied panel may vary.Manufacturer illustration of the 66HL4M-BDV family. Actual supplied module appearance may vary.