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LONGi LR8-66HGD-625M

Official manufacturer GLOBAL verified Sept. 3, 2026

Identity

category pv_modules
generation Hi-MO 7
manufacturer LONGi
market_version IEC/UL DC1500V
model LR8-66HGD-625M
mpn UNKNOWN
product_family LR8-66HGD 595~625M (Hi-MO 7, 30/30 and 15 frame)
product_status active
region GLOBAL
release_year UNKNOWN
series Hi-MO 7
sku UNKNOWN
variant bifacial dual glass

Electrical

application_class UNKNOWN
bifacial True
bifaciality_factor_pct 80
cell_technology Advanced HPDC cell technology (as printed); 132 cells (6x22), bifacial dual glass
extra {'power_bins_w': [595, 600, 605, 610, 615, 620, 625], 'power_bin_table': [{'pmax_w': 595, 'model': 'LR8-66HGD-595M', 'voc_v': 47.78, 'vmp_v': 39.91, 'isc_a': 15.8, 'imp_a': 14.91, 'efficiency_pct': 22.0}, {'pmax_w': 600, 'model': 'LR8-66HGD-600M', 'voc_v': 47.98, 'vmp_v': 40.11, 'isc_a': 15.85, 'imp_a': 14.96, 'efficiency_pct': 22.2}, {'pmax_w': 605, 'model': 'LR8-66HGD-605M', 'voc_v': 48.18, 'vmp_v': 40.31, 'isc_a': 15.9, 'imp_a': 15.01, 'efficiency_pct': 22.4}, {'pmax_w': 610, 'model': 'LR8-66HGD-610M', 'voc_v': 48.38, 'vmp_v': 40.51, 'isc_a': 15.95, 'imp_a': 15.06, 'efficiency_pct': 22.6}, {'pmax_w': 615, 'model': 'LR8-66HGD-615M', 'voc_v': 48.58, 'vmp_v': 40.71, 'isc_a': 16.0, 'imp_a': 15.11, 'efficiency_pct': 22.8}, {'pmax_w': 620, 'model': 'LR8-66HGD-620M', 'voc_v': 48.78, 'vmp_v': 40.91, 'isc_a': 16.05, 'imp_a': 15.16, 'efficiency_pct': 23.0}, {'pmax_w': 625, 'model': 'LR8-66HGD-625M', 'voc_v': 48.98, 'vmp_v': 41.11, 'isc_a': 16.1, 'imp_a': 15.21, 'efficiency_pct': 23.1}], 'nmot_bin_table': [{'pmax_w': 595, 'nmot_pmax_w': 452.9, 'voc_v': 45.41, 'vmp_v': 37.93, 'isc_a': 12.69, 'imp_a': 11.94}, {'pmax_w': 600, 'nmot_pmax_w': 456.7, 'voc_v': 45.6, 'vmp_v': 38.12, 'isc_a': 12.73, 'imp_a': 11.98}, {'pmax_w': 605, 'nmot_pmax_w': 460.5, 'voc_v': 45.79, 'vmp_v': 38.31, 'isc_a': 12.77, 'imp_a': 12.02}, {'pmax_w': 610, 'nmot_pmax_w': 464.3, 'voc_v': 45.98, 'vmp_v': 38.5, 'isc_a': 12.81, 'imp_a': 12.06}, {'pmax_w': 615, 'nmot_pmax_w': 468.1, 'voc_v': 46.17, 'vmp_v': 38.69, 'isc_a': 12.85, 'imp_a': 12.1}, {'pmax_w': 620, 'nmot_pmax_w': 471.9, 'voc_v': 46.36, 'vmp_v': 38.88, 'isc_a': 12.89, 'imp_a': 12.14}, {'pmax_w': 625, 'nmot_pmax_w': 475.8, 'voc_v': 46.55, 'vmp_v': 39.07, 'isc_a': 12.93, 'imp_a': 12.18}], 'cell_count': '132 (6x22)', 'cell_layout': '132 (6x22)', 'fire_type': 'UL type 29 / IEC Class C', 'bifacial_gain_note': 'Bifacial gain table printed on the datasheet, referenced to the 610 W front-side bin: 5% -> 641 W (Voc 48.38, Isc 16.75, Vmp 40.51, Imp 15.81); 10% -> 671 W (48.38 / 17.55 / 40.51 / 16.57); 15% -> 703 W (48.48 / 18.34 / 40.61 / 17.32); 20% -> 734 W (48.48 / 19.14 / 40.61 / 18.07); 25% -> 764 W (48.48 / 19.94 / 40.61 / 18.82)', 'bifacial_gain_table': [{'rear_gain_pct': 5, 'pmax_w': 641, 'voc_v': 48.38, 'isc_a': 16.75, 'vmp_v': 40.51, 'imp_a': 15.81}, {'rear_gain_pct': 10, 'pmax_w': 671, 'voc_v': 48.38, 'isc_a': 17.55, 'vmp_v': 40.51, 'imp_a': 16.57}, {'rear_gain_pct': 15, 'pmax_w': 703, 'voc_v': 48.48, 'isc_a': 18.34, 'vmp_v': 40.61, 'imp_a': 17.32}, {'rear_gain_pct': 20, 'pmax_w': 734, 'voc_v': 48.48, 'isc_a': 19.14, 'vmp_v': 40.61, 'imp_a': 18.07}, {'rear_gain_pct': 25, 'pmax_w': 764, 'voc_v': 48.48, 'isc_a': 19.94, 'vmp_v': 40.61, 'imp_a': 18.82}], 'packaging': "36pcs per pallet / 144pcs per 20'GP / 720pcs or 576pcs (only for USA) per 40'HC"}
imp_a 15.21
isc_a 16.1
max_reverse_current_a UNKNOWN
max_series_fuse_rating_a 35
max_system_voltage_label DC1500V (IEC/UL)
max_system_voltage_v 1500
module_efficiency_pct 23.1
nmot {'pmax_w': 475.8, 'voc_v': 46.55, 'vmp_v': 39.07, 'isc_a': 12.93, 'imp_a': 12.18, 'conditions': 'NOCT: AM1.5 800W/m2 20 degC 1m/s', 'note': '625M top bin only.'}
nmot_c 45
pmax_w 625
power_tolerance 0~3%
protection_class Class II
rated_power_w 625
stc_conditions AM1.5 1000W/m2 25 degC
temp_coeff_isc 0.045 %/degC
temp_coeff_pmax -0.28 %/degC
temp_coeff_voc -0.23 %/degC
vmp_v 41.11
voc_v 48.98

Physical / mechanical

backsheet not applicable (dual glass)
bypass_diodes 3
cable_cross_section_mm2 4.0
cable_length_mm +400 / -200mm; +/-1400mm length can be customized
connector_type UNKNOWN - no connector row is printed on this datasheet
depth_mm 30
dimensions_mm 2382x1134x30
frame Anodized aluminum alloy frame
frame_colour UNKNOWN
glass Dual glass, 2.0+2.0mm heat strengthened glass
glass_construction dual glass
glass_thickness_mm 2.0
junction_box IP68, three diodes
length_mm 2382
weight_kg 33.5
width_mm 1134

Installation

clamp_requirements UNKNOWN
grounding UNKNOWN
max_installation_altitude_m UNKNOWN
mounting_methods UNKNOWN

Environment

ammonia UNKNOWN
fire_rating UL type 29 / IEC Class C
hail 25mm Hailstone at the speed of 23m/s
max_static_load_front_pa 5400
max_static_load_rear_pa 2400
operating_temperature_c -40 to +85
pid UNKNOWN
salt_mist UNKNOWN
snow_load UNKNOWN
wind_load UNKNOWN

Certifications

standards ['IEC 61215', 'IEC 61730', 'UL 61730', 'ISO9001:2015', 'ISO14001:2015', 'ISO45001:2018', 'IEC62941']

Warranty & service

annual_degradation_pct 0.4
first_year_degradation_pct 1.0
performance_years 30
product_years 12
retained_power_at_year 30
retained_power_end_pct UNKNOWN

Documents

datasheet {# Located but never retrieved: listed, but deliberately not linked, and it backs no stored value. #} Hi-MO 7 LR8-66HGD 595~625M (30/30 and 15 Frame) - Spanish-language edition — located, not retrieved rev UNKNOWN
datasheet LR8-66HGD 595~625M V2 R (30/30 and 15) - LONGi module datasheet rev 20240705V03

Additional documented parameters

Recorded verbatim from the source; no schema field exists for these yet.

Bifaciality80+/-5%
Packaging36pcs per pallet / 144pcs per 20'GP / 720pcs or 576pcs (only for USA) per 40'HC
Power Degradation (year 2-30)0.4%

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