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LONGi LR7-54HJBB-505M

Official manufacturer GLOBAL verified Sept. 3, 2026

Identity

category pv_modules
generation sheet titled 'S10 Double Glass Premium Black (LR7-54HJBB)'
manufacturer LONGi
market_version IEC DC1500V
model LR7-54HJBB-505M
mpn UNKNOWN
product_family LR7-54HJBB 490~505M (S10 Double Glass Premium Black / EcoLife, 30/30 and 15 Frame)
product_status active
region GLOBAL
release_year 2025
series EcoLife
sku UNKNOWN
variant full-black, bifacial dual glass, Class A fire rating

Electrical

application_class UNKNOWN
bifacial True
bifaciality_factor_pct UNKNOWN
cell_technology BC-CELL (back-contact) monocrystalline, 108 cells (6x18), dual glass full-black module.
extra {'power_bins_w': [490, 495, 500, 505], 'power_bin_table': [{'pmax_w': 490, 'model': 'LR7-54HJBB-490M', 'voc_v': 41.25, 'vmp_v': 34.07, 'isc_a': 15.04, 'imp_a': 14.38, 'efficiency_pct': 24.0}, {'pmax_w': 495, 'model': 'LR7-54HJBB-495M', 'voc_v': 41.35, 'vmp_v': 34.17, 'isc_a': 15.15, 'imp_a': 14.49, 'efficiency_pct': 24.3}, {'pmax_w': 500, 'model': 'LR7-54HJBB-500M', 'voc_v': 41.45, 'vmp_v': 34.27, 'isc_a': 15.26, 'imp_a': 14.59, 'efficiency_pct': 24.5}, {'pmax_w': 505, 'model': 'LR7-54HJBB-505M', 'voc_v': 41.55, 'vmp_v': 34.37, 'isc_a': 15.37, 'imp_a': 14.69, 'efficiency_pct': 24.7}], 'cell_count': '108 (6x18)', 'cell_layout': '108 (6x18)', 'fire_type': 'Class A', 'bifacial_gain_note': "Bifacial per LONGi's EU datasheet index; the fetched sheet prints no bifaciality statement."}
imp_a 14.69
isc_a 15.37
max_reverse_current_a UNKNOWN
max_series_fuse_rating_a 30
max_system_voltage_label DC1500V (IEC)
max_system_voltage_v 1500
module_efficiency_pct 24.7
nmot {'pmax_w': 'UNKNOWN', 'voc_v': 'UNKNOWN', 'vmp_v': 'UNKNOWN', 'isc_a': 'UNKNOWN', 'imp_a': 'UNKNOWN', 'conditions': 'UNKNOWN', 'note': 'No NOCT electrical table was recovered from the fetched text. Values from the sibling LR7-54HJD sheet were deliberately NOT carried across.'}
nmot_c 45
pmax_w 505
power_tolerance 0 ~ 3%
protection_class Class II
rated_power_w 505
stc_conditions AM1.5, 1000W/m2, 25 degC
temp_coeff_isc 0.05 %/degC
temp_coeff_pmax -0.24 %/degC
temp_coeff_voc -0.21 %/degC
vmp_v 34.37
voc_v 41.55

Physical / mechanical

backsheet not applicable (dual glass)
bypass_diodes UNKNOWN
cable_cross_section_mm2 4.0
cable_length_mm 4mm2 output cable; +400, -200mm / +/-1200mm length can be customized
connector_type UNKNOWN - no connector brand or type is printed on this datasheet
depth_mm 30
dimensions_mm 1800x1134x30
frame Black anodized aluminum alloy frame
frame_colour black
glass 2.0mm semi-tempered glass + 1.6mm semi-tempered glass
glass_construction dual glass
glass_thickness_mm 2.0
junction_box IP68
length_mm 1800
weight_kg 23.5
width_mm 1134

Installation

clamp_requirements UNKNOWN
grounding UNKNOWN
max_installation_altitude_m UNKNOWN
mounting_methods UNKNOWN

Environment

ammonia UNKNOWN
fire_rating Class A ('This product has obtained Class A fire test report')
hail 25mm Hailstone at the speed of 23m/s
max_static_load_front_pa 6000
max_static_load_rear_pa 3600
operating_temperature_c -40 to +85
pid UNKNOWN
salt_mist UNKNOWN
snow_load UNKNOWN
wind_load UNKNOWN

Certifications

standards ['Class A fire test report (as printed; no IEC/ISO certification table recovered from the fetched text)']

Warranty & service

annual_degradation_pct 0.35
first_year_degradation_pct 1.0
performance_years 30
product_years UNKNOWN
retained_power_at_year 30
retained_power_end_pct 88.85

Documents

datasheet {# Located but never retrieved: listed, but deliberately not linked, and it backs no stored value. #} LR7-54HJBB (Dual Glass) 490~505M - earlier revision — located, not retrieved rev BGV02 20250423
datasheet LR7-54HJBB 490~505M (30/30 and 15 Frame) - S10 Double Glass Premium Black rev BGV02 20250820
other LONGi Product Datasheets index (EU) - lists series, monofacial/bifacial, colour, power, efficiency for each model rev UNKNOWN

Additional documented parameters

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

Fire ratingClass A fire test report

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