--- title: "Longi Solar LR4-72HPH-465M 465W Solar Panel - Specs & Review | ComparePV" description: "Longi Solar LR4-72HPH-465M 465W solar panel. Specs: 21.40% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/longi-lr4-72hph-465m" updated: 2026-09-11 --- # Longi Solar LR4-72HPH-465M Efficiency leader, no clear weak spot 449 panels in the segment PERC 450-500 W ## Identity - **Manufacturer:** Longi Solar - **Model:** LR4-72HPH-465M - **Series:** Hi-MO 4m (LR4-72HPH 445~465M) - **Rated power:** 465 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 450-500 W (449 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 465 W | 460 W | Typical | | | Module efficiency | 21.40% | 20.82% | Strong - top 5% | 8,323 | | Power density | 213.9 | 208.5 | Strong - top 5% | 8,338 | | Temperature coefficient | -0.340 | -0.350 | Strong - top 19% | 8,778 | | Weight (kg) | 24.3 kg | 24.5 kg | Typical | | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.40% | 20.82% | Strong - top 5% | 8,323 | | Power density | 213.9 | 208.5 | Strong - top 5% | 8,338 | | Temperature coefficient | -0.340 | -0.350 | Strong - top 19% | 8,778 | | Weight per kWp | 52.3 | 53.1 | Typical | 5,719 | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Strengths - **21.40% module efficiency** - Top 5% of the PERC 450-500 W segment, against a median of 20.82%. Ranked 8,323rd in the whole database. - **213.9 watts per square metre** - Top 5% of the PERC 450-500 W segment, against a median of 208.5. Ranked 8,338th in the whole database. - **-0.340 %/°C temperature coefficient** - Top 19% of the PERC 450-500 W segment, against a median of -0.350. - **Best for:** Residential, commercial and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 465 W - **Efficiency:** 21.40 % - **Voltage at Pmax (Vmp):** 42.10 V - **Current at Pmax (Imp):** 11.05 A - **Open-circuit voltage (Voc):** 49.90 V - **Short-circuit current (Isc):** 11.79 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.340 %/degC - **Temperature coefficient of Voc:** -0.265 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 144 ### Physical - **Length:** 2094 mm - **Width:** 1038 mm - **Thickness:** 35 mm - **Weight:** 24.3 kg - **Area:** 2.17 m2 - **Power density:** 213.9 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 84.8 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.55 % - **Output after 30 years:** 382 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8323 of 14005 | | Power density | 8338 of 14005 | | Temperature coefficient | 8778 of 14005 | | Weight | 5719 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Bankable Tier-1 manufacturer** - Longi Solar has operated since 2000 and is a global BNEF Tier 1 leader, which simplifies project financing and lowers risk perception for banks and insurers on commercial and industrial installations. - **Half-cut + multi busbar reduce losses** - The half-cut cell layout combined with multi-busbar interconnection reduces internal resistance losses and improves module resistance to microcracks during transport and roof-mounted operation. - **Gallium doping stabilizes output** - Gallium-doped cells limit LID (Light Induced Degradation), keeping the energy production curve more predictable in the early years of operation compared to standard boron-doped PERC. - **High power density up to 465 Wp** - With efficiency up to 21.4% and power up to 465 Wp on a 72-cell module, the series offers good power density per roof area, which matters where mounting surface is limited in residential and commercial installations. - **Compatible with common inverters** - The module's voltage/current parameters fall within typical operating windows of string inverters and power optimizers, simplifying BoS component selection and string design. ## Cons - **Production ended in 2023** - The Hi-MO 4m series was discontinued (produced 2021-2023) in favor of newer N-type lines (Hi-MO 6/7/9), meaning limited availability of identical modules for string top-ups and potentially longer warranty-claim handling. - **Efficiency lags newer TOPCon peers** - Maximum efficiency of 21.4% trails comparable models such as Jinko Solar JS182MHC120 (21.48%) and Vikram Solar SOMERA (21.51%), and falls clearly behind bifacial TOPCon panels like Luxor ECO LINE (23.6%), showing this PERC series is already a generation behind. - **Shorter 12-year product warranty** - The product warranty runs 12 years, while newer Tier-1 series (including Longi's own N-type lines) typically offer 20-25 years, which combined with discontinued production raises long-term risk for investors. - **No bifacial variant** - The series is monofacial (is\_bifacial: false), so it cannot capture the extra rear-side yield offered by competing bifacial modules, such as Luxor's ECO LINE TOPCON GLASS-GLASS BIFACIAL at the same 465 Wp maximum power. ## About this series The Longi Solar Hi-MO 4m (LR4-72HPH 445~465M) series was designed to deliver a stable yield and predictable performance for the entire string under real installation conditions. In practice, its unique feature is the combination of **PERC monocrystalline cells** with **half-cut construction**, which helps minimize internal resistance losses and better handles partial shading typical of roofs with chimneys, window openings, or attic installations. An additional advantage is the **multi-busbar connections**, which support current collection from the cells and improve the module’s resistance to micro-cracks during transportation and operation on the structure. The Hi-MO 4m also utilizes **gallium doping**, enabling easier degradation control over time and maintaining a favorable energy production curve for years. This solution is particularly sensible for residential, commercial, and industrial installations, where high power density on the roof and compatibility with popular string inverters and optimizers are key. ## Notable figures - 21.4% module efficiency - 0.6pp better than the \*\*PERC 450-500W\*\* median of 20.8% - 213.9 W/m² power density - 5.4 W/m² more than \*\*PERC 450-500W\*\* median (208.5 W/m²), more power per roof area - At -0.34%/°C, hot weather performance is typical for \*\*PERC 450-500W\*\* panels - #8323 for efficiency, #8778 for temperature performance out of 14005 panels ## Questions ### Is the Longi Solar Hi-MO 4m (LR4-72HPH 445~465M) series still available for purchase? The Hi-MO 4m (LR4-72HPH 445~465M) series has been discontinued and is no longer part of LONGi Solar's active lineup. Limited stock may still be available through some distributors' warehouses. If you need current LONGi products, newer series offer higher efficiency and updated warranty terms. Always verify actual availability with your local distributor before planning a new installation around this model. ### What warranty does the Longi Hi-MO 4m LR4-72HPH come with? LONGi provides a 12-year product warranty covering defects in materials and workmanship, along with a 25-year linear power warranty guaranteeing at least 84.8% of nominal output by year 25. Annual linear degradation is capped at 0.55%, with first-year degradation not exceeding 2%. As a Tier 1 manufacturer, LONGi's warranty credibility is backed by a strong financial track record in the industry. ### Why does the Hi-MO 4m use gallium doping, and does it make a real difference? Gallium doping replaces the traditional boron dopant and virtually eliminates Light-Induced Degradation (LID), which causes conventional PERC cells to lose several percent of output during initial sun exposure. In practice, this means the module skips the early performance dip and maintains a predictable, linear production curve for the full 25-year power warranty period — a meaningful advantage when modeling long-term energy yield and LCOE for any installation. ### Are the Longi Hi-MO 4m LR4-72HPH panels a good fit for roofs with chimneys or dormers? Yes. The half-cut cell design (144 cells split into two independent halves) limits the impact of partial shading from chimneys, dormers, or parapets to only one section of the module, leaving the other half fully operational. The multi busbar interconnection further reduces internal resistance losses. This makes the Hi-MO 4m a practical choice for typical residential roofs with shading obstacles common in Polish and Central European installations. ### How does the Hi-MO 4m perform in cold temperatures and low winter irradiance? The power temperature coefficient is -0.34%/°C, meaning output actually increases slightly below the STC reference temperature of 25°C — beneficial during cold, sunny winter days. Monocrystalline PERC cells also respond better to the diffuse, low-angle light spectrum typical of overcast winter skies compared to older polycrystalline technology. Both factors matter in climates with short winter days and frequent cloud cover. ### Are the Longi Hi-MO 4m LR4-72HPH modules compatible with standard inverters and power optimizers? Yes. The LR4-72HPH series features an open-circuit voltage (Voc) of approximately 49–50 V per module, making it compatible with leading string inverters from SMA, Fronius, Huawei, and SolarEdge. The modules work seamlessly with SolarEdge and Tigo power optimizers for module-level monitoring and MPPT. Always verify your inverter's MPPT voltage range against the planned string configuration before finalizing the system design. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/Hi-MO-4m-LR-4-72-HPH-445-465-M-35-35-and-15-V16-c85d4a205d-31544b585702.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, +3.6 pp, +5 yr warranty | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, +3.4 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, +3.3 pp, +5 yr warranty | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, +3.1 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, +3.1 pp, +5 yr warranty | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | Cooler, +3.1 pp, +5 yr warranty | | [Longi Solar LR4-72HBD-440M](https://comparepv.com/panel/longi-lr4-72hbd-440m) | 440 W | Heavier, -1.2 pp, +5 yr warranty | | [Longi Solar LR4-72HIH-445M](https://comparepv.com/panel/longi-lr4-72hih-445m) | 445 W | -20 W, -0.9 pp | | [Longi Solar LR4-72HIH-450M](https://comparepv.com/panel/longi-lr4-72hih-450m) | 450 W | -15 W, -0.7 pp | | [Longi Solar LR4-72HIH-455M](https://comparepv.com/panel/longi-lr4-72hih-455m) | 455 W | -10 W, -0.5 pp | | [Gamko New Energy GKA120N-PRO-590W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-590w) | 590 W | +125 W, +2.4 pp, +5 yr warranty | | [Gamko New Energy GKA120N-PRO-585W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-585w) | 585 W | +120 W, +2.2 pp, +5 yr warranty | | [Bisol BGO 580](https://comparepv.com/panel/bisol-bgo-580) | 580 W | +115 W, cooler, +2.1 pp | | [Gamko New Energy GKA120N-PRO-580W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-580w) | 580 W | +115 W, +2.0 pp, +5 yr warranty | --- Source: https://comparepv.com/panel/longi-lr4-72hph-465m Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.