LONGi LR7-72HVD-645M
Official manufacturer GLOBAL verified Sept. 3, 2026
Identity
| category | pv_modules |
| generation | Hi-MO X10 Explorer |
| manufacturer | LONGi |
| market_version | IEC/UL DC1500V |
| model | LR7-72HVD-645M |
| mpn | UNKNOWN |
| product_family | LR7-72HVD 625~645M (Hi-MO X10 Explorer, 30/30 and 15 frame) |
| product_status | active |
| region | GLOBAL |
| release_year | UNKNOWN |
| series | Hi-MO X10 |
| sku | UNKNOWN |
| variant | Explorer, bifacial dual glass |
Electrical
| application_class | UNKNOWN |
| bifacial | True |
| bifaciality_factor_pct | 70 |
| cell_technology | BC-cell (back contact) monocrystalline, 144 cells (6x24), bifacial dual glass |
| extra | {'power_bins_w': [625, 630, 635, 640, 645], 'power_bin_table': [{'pmax_w': 625, 'model': 'LR7-72HVD-625M', 'voc_v': 53.3, 'vmp_v': 44.16, 'isc_a': 14.85, 'imp_a': 14.16, 'efficiency_pct': 23.1}, {'pmax_w': 630, 'model': 'LR7-72HVD-630M', 'voc_v': 53.4, 'vmp_v': 44.26, 'isc_a': 14.93, 'imp_a': 14.24, 'efficiency_pct': 23.3}, {'pmax_w': 635, 'model': 'LR7-72HVD-635M', 'voc_v': 53.5, 'vmp_v': 44.36, 'isc_a': 15.01, 'imp_a': 14.32, 'efficiency_pct': 23.5}, {'pmax_w': 640, 'model': 'LR7-72HVD-640M', 'voc_v': 53.6, 'vmp_v': 44.46, 'isc_a': 15.09, 'imp_a': 14.4, 'efficiency_pct': 23.7}, {'pmax_w': 645, 'model': 'LR7-72HVD-645M', 'voc_v': 53.7, 'vmp_v': 44.56, 'isc_a': 15.17, 'imp_a': 14.48, 'efficiency_pct': 23.9}], 'nmot_bin_table': [{'pmax_w': 625, 'nmot_pmax_w': 475.8, 'voc_v': 50.65, 'vmp_v': 41.97, 'isc_a': 11.93, 'imp_a': 11.35}, {'pmax_w': 630, 'nmot_pmax_w': 479.6, 'voc_v': 50.75, 'vmp_v': 42.06, 'isc_a': 12.0, 'imp_a': 11.42}, {'pmax_w': 635, 'nmot_pmax_w': 483.4, 'voc_v': 50.84, 'vmp_v': 42.16, 'isc_a': 12.06, 'imp_a': 11.48}, {'pmax_w': 640, 'nmot_pmax_w': 487.2, 'voc_v': 50.94, 'vmp_v': 42.25, 'isc_a': 12.12, 'imp_a': 11.54}, {'pmax_w': 645, 'nmot_pmax_w': 491.0, 'voc_v': 51.03, 'vmp_v': 42.35, 'isc_a': 12.18, 'imp_a': 11.61}], 'cell_count': '144 (6x24)', 'cell_layout': '144 (6x24)', 'fire_type': 'UL type 29 / IEC Class C', 'bifacial_gain_note': 'Bifacial gain table printed on the datasheet: 5% -> 677 W (Voc 53.70, Isc 15.93, Vmp 44.56, Imp 15.20); 10% -> 710 W (53.70 / 16.69 / 44.56 / 15.93); 15% -> 744 W (53.80 / 17.45 / 44.66 / 16.65); 20% -> 776 W (53.80 / 18.20 / 44.66 / 17.38); 25% -> 808 W (53.80 / 18.96 / 44.66 / 18.10)', 'bifacial_gain_table': [{'rear_gain_pct': 5, 'pmax_w': 677, 'voc_v': 53.7, 'isc_a': 15.93, 'vmp_v': 44.56, 'imp_a': 15.2}, {'rear_gain_pct': 10, 'pmax_w': 710, 'voc_v': 53.7, 'isc_a': 16.69, 'vmp_v': 44.56, 'imp_a': 15.93}, {'rear_gain_pct': 15, 'pmax_w': 744, 'voc_v': 53.8, 'isc_a': 17.45, 'vmp_v': 44.66, 'imp_a': 16.65}, {'rear_gain_pct': 20, 'pmax_w': 776, 'voc_v': 53.8, 'isc_a': 18.2, 'vmp_v': 44.66, 'imp_a': 17.38}, {'rear_gain_pct': 25, 'pmax_w': 808, 'voc_v': 53.8, 'isc_a': 18.96, 'vmp_v': 44.66, 'imp_a': 18.1}], 'packaging': "36pcs per pallet / 144pcs per 20'GP / 720pcs per 40'HC"} |
| imp_a | 14.48 |
| isc_a | 15.17 |
| max_reverse_current_a | UNKNOWN |
| max_series_fuse_rating_a | 30 |
| max_system_voltage_label | DC1500V (IEC/UL) |
| max_system_voltage_v | 1500 |
| module_efficiency_pct | 23.9 |
| nmot | {'pmax_w': 491.0, 'voc_v': 51.03, 'vmp_v': 42.35, 'isc_a': 12.18, 'imp_a': 11.61, 'conditions': 'NOCT: AM1.5 800W/m2 20 degC 1m/s', 'note': '645M top bin only.'} |
| nmot_c | 45 |
| pmax_w | 645 |
| power_tolerance | 0~3% |
| protection_class | Class II |
| rated_power_w | 645 |
| stc_conditions | AM1.5 1000W/m2 25 degC |
| temp_coeff_isc | 0.05 %/degC |
| temp_coeff_pmax | -0.26 %/degC |
| temp_coeff_voc | -0.2 %/degC |
| vmp_v | 44.56 |
| voc_v | 53.7 |
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 (tolerance: length +/-2mm, width +/-2mm) |
| frame | Anodized aluminum alloy frame |
| frame_colour | UNKNOWN |
| glass | Dual glass, 2.0+2.0mm semi-tempered 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 | 0.35 |
| first_year_degradation_pct | 1.0 |
| performance_years | 30 |
| product_years | 15 |
| retained_power_at_year | 30 |
| retained_power_end_pct | 92.35 |
Documents
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| Application note | Suitable for Distribution Market; More suitable for industrial and commercial cement roofs |
| Bifaciality | 70+/-5% |
| Warranty curve | 95.85% (year 20), 92.35% (year 30) |