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
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| Fire rating | Class A fire test report |