--- title: "JS Solar JS182MHC144-540 540W Solar Panel - Specs & Review | ComparePV" description: "JS Solar JS182MHC144-540 540W solar panel. Specs: 20.89% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/js-solar-js182mhc144-540" updated: 2026-09-11 --- # JS Solar JS182MHC144-540 Light for its output, short guarantee 8,019 panels in the 440-640 W band, all technologies ## Identity - **Manufacturer:** JS Solar - **Model:** JS182MHC144-540 - **Series:** JS182MHC144 - **Rated power:** 540 W - **Cell technology:** Monocrystalline ## How it compares Compared against 440-640 W band, all technologies (8019 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 540 W | 535 W | Typical | | | Module efficiency | 20.89% | 22.27% | Weak - bottom 14% | 10,294 | | Power density | 208.9 | 222.6 | Weak - bottom 15% | 10,202 | | Temperature coefficient | -0.350 | -0.300 | Weak - bottom 12% | 10,419 | | Weight (kg) | 26.5 kg | 27.5 kg | Strong - top 25% | | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 11% | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 20.89% | 22.27% | Weak - bottom 14% | 10,294 | | Power density | 208.9 | 222.6 | Weak - bottom 15% | 10,202 | | Temperature coefficient | -0.350 | -0.300 | Weak - bottom 12% | 10,419 | | Weight per kWp | 49.1 | 52.7 | Strong - top 25% | 2,710 | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 11% | 9,798 | ### Strengths - **49.1 kg per kWp** - Top 25% of the 440-640 W band, against a median of 52.7. ### Watch out for - **25 year performance warranty** - Bottom 11% of the 440-640 W band, against a median of 30 yrs. - **-0.350 %/°C temperature coefficient** - Bottom 12% of the 440-640 W band, against a median of -0.300. - **20.89% module efficiency** - Bottom 14% of the 440-640 W band, against a median of 22.27%. - **Best for:** Weight-limited structures. - **Not ideal for:** Owners who want a long output guarantee, hot climates and tight roof space. ## Specification ### Electrical - **Rated power (Pmax):** 540 W - **Efficiency:** 20.89 % - **Voltage at Pmax (Vmp):** 41.60 V - **Current at Pmax (Imp):** 12.98 A - **Open-circuit voltage (Voc):** 49.50 V - **Short-circuit current (Isc):** 13.83 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.350 %/degC - **Temperature coefficient of Voc:** -0.270 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell count:** 144 ### Physical - **Length:** 2279 mm - **Width:** 1134 mm - **Thickness:** 35 mm - **Weight:** 26.5 kg - **Area:** 2.58 m2 - **Power density:** 208.9 Wp/m2 ### Warranty and degradation - **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:** 443 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 10294 of 14005 | | Power density | 10202 of 14005 | | Temperature coefficient | 10419 of 14005 | | Weight | 2710 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Module efficiency up to 21.28% — peer-level** - Peak module efficiency reaches 21.28%, matching IBC Solar 182M Half Cell (21.28%) and trailing Goldi Solar GS10-B144-TF and S-Energy SL65-72BGJ (both 21.3%) by just 0.02 percentage points. The JS182MHC144 series is therefore fully competitive in terms of energy yield per m² against its direct 525–550 Wp comparables. - **Half-cut 144-cell layout + multi-busbar on M10 wafers** - The 182 mm (M10) half-cut cell design halves the operating current per cell, cutting resistive I²R losses and limiting micro-crack propagation. Multi-busbar (MBB) shortens the current path to the busbars, further reducing series resistance and improving carrier collection under partial shading conditions. - **Certified PID resistance** - The series carries verified resistance to potential-induced degradation (PID), which is critical when designing long strings in utility-scale PV plants operating at up to 1500 V DC. Without PID protection, susceptible modules can lose 5–10% of rated power within the first three years of operation. - **Mechanical load rating: 5400/2400 Pa** - The module is rated for 5400 Pa snow load (approx. 550 kg/m²) and 2400 Pa wind load, meeting the requirements of snow zones III–IV per EN 1991-1-3. These ratings make the series suitable for open-field and rooftop installations in mountainous regions or high-latitude climates. - **Temperature coefficient of Pmax: –0.35%/°C** - At –0.35%/°C, the series sits at the favorable end of the monocrystalline PERC range (typically –0.35% to –0.37%/°C), significantly outperforming older poly-Si modules (–0.42%/°C). With cell temperatures reaching 60–70°C during summer, this translates to approximately 1.7–3.5% higher energy yield in June–August compared to weaker-coefficient modules. ## Cons - **No BNEF Tier-1 bankable status** - JS Solar (Yixing) does not appear on the BloombergNEF bankable manufacturers list (confirmed: tier\_1\_bankable: false in supplier data). For projects seeking non-recourse financing through commercial banks or multilateral lenders (EIB, EBRD), the absence of Tier-1 status complicates or blocks project finance approval and may increase insurance premiums. Among direct peers in this power class, IBC Solar carries stronger bankability recognition in European markets. - **Monofacial-only technology** - The JS182MHC144 series offers no bifacial variant. On ground-mounted systems with reflective surfaces (gravel, concrete, snow), bifacial modules typically generate 5–15% additional energy from rear-side irradiance. With bifacial penetration in utility-scale PV exceeding 80% of new capacity additions in 2025 (Wood Mackenzie), the absence of a bifacial option limits the series' competitiveness in the ground-mount segment. ## About this series The JS Solar JS182MHC144 photovoltaic panel series is an advanced solution based on **M10 type monocrystalline cells**, which redefines efficiency in large-scale installations. Thanks to the use of **Half-Cut and Multi-busbar** technology, these modules effectively minimize energy losses resulting from internal resistance and micro-cracks, translating into stable operation even in difficult lighting conditions. The construction consisting of 144 cells has been optimized to reduce the impact of shading, which is crucial in dense urban areas or on roofs with complex geometry. These panels are distinguished by exceptional **resistance to potential-induced degradation (PID)**, guaranteeing longevity and a constant return on investment for decades. It is an ideal choice for investors seeking a balance between advanced technology and mechanical durability, especially in commercial projects and PV farms. They stand out from the competition with precise matching of current parameters, which facilitates the design of long module strings while maintaining high inverter operating safety. By choosing JS182MHC144, you gain the assurance that the system will maintain **high efficiency at high temperatures** thanks to a low temperature coefficient, which in the Polish climate allows for maximizing yields during the summer period. It is a solid foundation for modern solar energy, combining innovation with practical utility. ## Notable figures - Efficiency of 20.9% is 0.9pp below the \*\*database\*\* median (21.8%) - 208.9 W/m² power density is 9.2 W/m² below \*\*database\*\* median (218.1 W/m²) - requires larger installation area - -0.35%/°C temperature coefficient - 0.05pp worse than \*\*database\*\* median (-0.30%/°C), expect higher hot weather losses - In the top 74% for efficiency among all N-type panels ## Questions ### What is the power output warranty for the JS Solar JS182MHC144 panels? The JS182MHC144 series comes with a 25-year linear power output warranty. This means the manufacturer guarantees a specified minimum performance level for a quarter of a century. For commercial projects and utility-scale PV farms, this is a significant financial argument, as a longer power warranty directly strengthens the investment return model and project bankability. ### What do half-cut cell and multi-busbar technologies mean in the JS182MHC144 series and what are the real-world benefits? Half-cut technology splits each cell in two, reducing internal resistance and heat losses. Multi-busbar design shortens the current path between cells, minimizing microcracks. In practice, JS182MHC144 modules produce more energy under partial shading conditions, run cooler, and are mechanically more durable than older full-cell designs with fewer busbars. ### Are JS Solar JS182MHC144 550W panels suitable for pitched roofs on commercial buildings? Yes, though given the 550 Wp output and the size typical for M10 144-cell modules, these panels are heavier and larger than standard residential modules. They excel on large industrial rooftops, warehouses, and logistics centers. For smaller pitched roofs, it is worth verifying the structural load capacity and the logistics of hauling the panels up before finalizing the design. ### How does the JS182MHC144 series handle high summer temperatures in central European climates? Thanks to the low temperature coefficient inherent to M10 monocrystalline half-cut cells, the JS182MHC144 modules lose proportionally less power as temperature rises compared to older panel generations. In climates like Poland, where module surface temperatures can exceed 60°C in summer, this translates into measurably higher seasonal energy yields versus modules with a less favorable temperature coefficient. ### Are JS Solar JS182MHC144 panels resistant to PID degradation and what does that mean for the system lifespan? Yes, the JS182MHC144 series features high resistance to Potential Induced Degradation (PID). PID is a gradual power loss caused by high system voltages, especially in long strings and transformerless inverter configurations. Strong PID resistance means the installation will maintain high efficiency throughout the full 25-year warranty period without significant unplanned energy losses. ### Is JS Solar a Tier 1 manufacturer and does that matter when choosing JS182MHC144 panels? JS Solar does not currently appear on Tier 1 lists according to Bloomberg NEF classification. This means that securing project finance for large-scale PV projects based on these modules may require additional due diligence or an independent engineer's bankable opinion. For smaller commercial systems and prosumer installations, Tier 1 status is less critical; the key factors are the actual technical specifications and warranty terms. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/JS182MHC144-550W-43eecdfaae30.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, +4.1 pp, +5 yr warranty | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +3.9 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | Cooler, +3.9 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, +3.8 pp, +5 yr warranty | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | Cooler, +3.7 pp, +5 yr warranty | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, lighter, +3.6 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, +3.6 pp, +5 yr warranty | | [JS Solar JS182MHC144-525](https://comparepv.com/panel/js-solar-js182mhc144-525) | 525 W | -15 W, -0.6 pp | | [JS Solar JS182MHC144-530](https://comparepv.com/panel/js-solar-js182mhc144-530) | 530 W | -10 W, -0.4 pp | | [JS Solar JS182MHC144-535](https://comparepv.com/panel/js-solar-js182mhc144-535) | 535 W | Very close match | | [JS Solar JS535M144BDG](https://comparepv.com/panel/js-solar-js535m144bdg) | 535 W | Cooler, heavier, +5 yr warranty | | [JS Solar JS540M144](https://comparepv.com/panel/js-solar-js540m144) | 540 W | Very close match | | [JS Solar JS182MHC144-545](https://comparepv.com/panel/js-solar-js182mhc144-545) | 545 W | Very close match | | [JS Solar JS545M144](https://comparepv.com/panel/js-solar-js545m144) | 545 W | +0.2 pp | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +110 W, cooler, +4.3 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +105 W, cooler, +4.1 pp | --- Source: https://comparepv.com/panel/js-solar-js182mhc144-540 Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.