LONGi LR8-66HYD-670M
Official manufacturer GLOBAL verified Sept. 3, 2026
Identity
| category | pv_modules |
| generation | Hi-MO 9 |
| manufacturer | LONGi |
| market_version | IEC/UL DC1500V |
| model | LR8-66HYD-670M |
| mpn | UNKNOWN |
| product_family | LR8-66HYD 635~670M (Hi-MO 9 Hydro Clear) |
| product_status | active |
| region | GLOBAL |
| release_year | UNKNOWN |
| series | Hi-MO 9 |
| sku | UNKNOWN |
| variant | Hydro Clear (innovative anti-dust design), 2.0+2.0mm heat strengthened dual glass - V2.0 |
Electrical
| application_class | UNKNOWN |
| bifacial | True |
| bifaciality_factor_pct | 75 |
| cell_technology | BC-CELL (rear/back contact), described on the datasheet as 'TaiRay wafer & BC technology'; 132 cells (6x22), bifacial dual glass |
| extra | {'power_bins_w': [635, 640, 645, 650, 655, 660, 665, 670], 'power_bin_table': [{'pmax_w': 635, 'model': 'LR8-66HYD-635M', 'voc_v': 49.42, 'vmp_v': 40.68, 'isc_a': 16.3, 'imp_a': 15.61, 'efficiency_pct': 23.5}, {'pmax_w': 640, 'model': 'LR8-66HYD-640M', 'voc_v': 49.52, 'vmp_v': 40.78, 'isc_a': 16.38, 'imp_a': 15.69, 'efficiency_pct': 23.7}, {'pmax_w': 645, 'model': 'LR8-66HYD-645M', 'voc_v': 49.62, 'vmp_v': 40.88, 'isc_a': 16.46, 'imp_a': 15.78, 'efficiency_pct': 23.9}, {'pmax_w': 650, 'model': 'LR8-66HYD-650M', 'voc_v': 49.72, 'vmp_v': 40.98, 'isc_a': 16.54, 'imp_a': 15.86, 'efficiency_pct': 24.1}, {'pmax_w': 655, 'model': 'LR8-66HYD-655M', 'voc_v': 49.82, 'vmp_v': 41.08, 'isc_a': 16.62, 'imp_a': 15.94, 'efficiency_pct': 24.2}, {'pmax_w': 660, 'model': 'LR8-66HYD-660M', 'voc_v': 49.92, 'vmp_v': 41.18, 'isc_a': 16.7, 'imp_a': 16.03, 'efficiency_pct': 24.4}, {'pmax_w': 665, 'model': 'LR8-66HYD-665M', 'voc_v': 50.02, 'vmp_v': 41.28, 'isc_a': 16.78, 'imp_a': 16.11, 'efficiency_pct': 24.6}, {'pmax_w': 670, 'model': 'LR8-66HYD-670M', 'voc_v': 50.12, 'vmp_v': 41.38, 'isc_a': 16.86, 'imp_a': 16.19, 'efficiency_pct': 24.8}], 'nmot_bin_table': [{'pmax_w': 635, 'nmot_pmax_w': 483.8, 'voc_v': 46.97, 'vmp_v': 38.66, 'isc_a': 13.09, 'imp_a': 12.51}, {'pmax_w': 640, 'nmot_pmax_w': 487.5, 'voc_v': 47.06, 'vmp_v': 38.76, 'isc_a': 13.16, 'imp_a': 12.58}, {'pmax_w': 645, 'nmot_pmax_w': 491.5, 'voc_v': 47.16, 'vmp_v': 38.85, 'isc_a': 13.22, 'imp_a': 12.65}, {'pmax_w': 650, 'nmot_pmax_w': 495.3, 'voc_v': 47.25, 'vmp_v': 38.95, 'isc_a': 13.28, 'imp_a': 12.72}, {'pmax_w': 655, 'nmot_pmax_w': 498.6, 'voc_v': 47.35, 'vmp_v': 39.04, 'isc_a': 13.35, 'imp_a': 12.78}, {'pmax_w': 660, 'nmot_pmax_w': 503.0, 'voc_v': 47.44, 'vmp_v': 39.14, 'isc_a': 13.41, 'imp_a': 12.85}, {'pmax_w': 665, 'nmot_pmax_w': 506.7, 'voc_v': 47.54, 'vmp_v': 39.23, 'isc_a': 13.48, 'imp_a': 12.92}, {'pmax_w': 670, 'nmot_pmax_w': 510.5, 'voc_v': 47.63, 'vmp_v': 39.33, 'isc_a': 13.54, 'imp_a': 12.98}], 'cell_count': '132 (6x22)', 'cell_layout': '132 (6x22)', 'fire_type': 'UL type 29 / IEC Class C', 'bifacial_gain_note': "Datasheet states 'Innovative anti-dust design, with an average monthly power generation increase of >=2%.' A numeric bifacial-gain table was not captured from the fetched text of this revision.", 'packaging': "35pcs per pallet / 140pcs per 20'GP / 700pcs per 40'HC"} |
| imp_a | 16.19 |
| isc_a | 16.86 |
| 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 | 24.8 |
| nmot | {'pmax_w': 510.5, 'voc_v': 47.63, 'vmp_v': 39.33, 'isc_a': 13.54, 'imp_a': 12.98, 'conditions': 'NOCT: AM1.5 800W/m2 20 degC 1m/s', 'note': '670M top bin only.'} |
| nmot_c | 45 |
| pmax_w | 670 |
| power_tolerance | 0~3% |
| protection_class | Class II |
| rated_power_w | 670 |
| 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 | 41.38 |
| voc_v | 50.12 |
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 | 32.6 |
| 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 | 12 |
| retained_power_at_year | 30 |
| retained_power_end_pct | UNKNOWN |
Documents
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| Anti-dust feature | Innovative anti-dust design, with an average monthly power generation increase of >=2%. |
| Bifaciality | 75+/-5% |
| NOCT | 45+/-2 degC |
| Packaging | 35pcs per pallet / 140pcs per 20'GP / 700pcs per 40'HC |