--- title: "Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-540 - Solar Panel Comparison | ComparePV" description: "Compare Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-540 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/jinko-solar-js182mhc120-450/jinko-solar-js182mhc144-540" updated: 2026-09-11 --- # Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-540 9 differences, and they point both ways The largest is rated power: 90 W more power. 8 of 17 comparable parameters are identical, with 2 more left out because at least one datasheet does not publish them. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Jinko Solar JS182MHC120-450](https://comparepv.com/panel/jinko-solar-js182mhc120-450) | [Jinko Solar JS182MHC144-540](https://comparepv.com/panel/jinko-solar-js182mhc144-540) | | Manufacturer | Jinko Solar | Jinko Solar | | Power | 450 Wp | 540 Wp | | Efficiency | 20.79 % | 20.89 % | | Technology | PERC | PERC | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | JS182MHC120-450 | JS182MHC144-540 | Difference | | --- | --- | --- | --- | | Rated power | 450 Wp | 540 Wp | +90 W for JS182MHC144-540 | | Weight | 23.0 kg | 26.5 kg | -3.5 kg for JS182MHC120-450 | | Open-circuit voltage | 41.40 V | 49.50 V | 8.10 V apart | | Module area | 2.165 m² | 2.584 m² | 0.420 m² apart | | Temperature coefficient | -0.340 %/°C | -0.350 %/°C | +0.010 %/°C for JS182MHC120-450 | | Voltage at max power | 34.70 V | 41.60 V | 6.90 V apart | | Cell count | 120 | 144 | 24 cells apart | | Weight per kWp | 51.1 kg/kWp | 49.1 kg/kWp | -2.0 kg/kWp for JS182MHC144-540 | | Dimensions | 1909x1134x30 mm | 2279x1134x35 mm | 1909x1134x30 mm vs 2279x1134x35 mm | ## Every compared parameter | Parameter | JS182MHC120-450 | JS182MHC144-540 | | --- | --- | --- | | Rated power | 450 Wp | 540 Wp | | Module efficiency | 20.79 % | 20.89 % | | Power density | 207.9 Wp/m² | 208.9 Wp/m² | | Open-circuit voltage | 41.40 V | 49.50 V | | Voltage at max power | 34.70 V | 41.60 V | | Short-circuit current | 13.68 A | 13.83 A | | Current at max power | 12.96 A | 12.98 A | | Temperature coefficient | -0.340 %/°C | -0.350 %/°C | | Dimensions | 1909x1134x30 mm | 2279x1134x35 mm | | Module area | 2.165 m² | 2.584 m² | | Weight | 23.0 kg | 26.5 kg | | Weight per kWp | 51.1 kg/kWp | 49.1 kg/kWp | | Product warranty | - | - | | Performance warranty | 25 yrs | 25 yrs | | Annual degradation | - | - | | Cell technology | PERC | PERC | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 120 | 144 | | Bifacial | No | No | ## Thirty-year yield A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year - **Cumulative output, JS182MHC120-450:** 15,098 kWh - **Cumulative output, JS182MHC144-540:** 18,118 kWh - **Gap:** 3,020 kWh ## Output when hot | Condition | Cell temperature | JS182MHC120-450 | JS182MHC144-540 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 450 W | 540 W | 100.0% of rated power | | Cool, bright day | 40 °C | 427 W | 512 W | 94.8% of rated power | | Typical summer roof | 55 °C | 404 W | 483 W | 89.5% of rated power | | Hot roof | 70 °C | 381 W | 455 W | 84.2% of rated power | ## Against the whole database | Measure | JS182MHC120-450 | JS182MHC144-540 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #10,558 | #10,294 | 14,005 | JS182MHC144-540 leads by 264 places | | Power density | #10,500 | #10,202 | 14,005 | JS182MHC144-540 leads by 298 places | | Heat behaviour | #8,778 | #10,419 | 14,005 | JS182MHC120-450 leads by 1,641 places | | Weight | #4,436 | #2,710 | 14,005 | JS182MHC144-540 leads by 1,726 places | | Warranty | #9,798 | #9,798 | 14,005 | Tied - the same position in the database | | Overall | #12,249 | #10,641 | 14,005 | JS182MHC144-540 leads by 1,608 places | ## Questions ### Which panel is better: Jinko Solar JS182MHC120-450 or Jinko Solar JS182MHC144-540? According to our database: **Jinko Solar JS182MHC144-540** has higher module efficiency (**20.89%** vs **20.79%**); **Jinko Solar JS182MHC120-450** tolerates heat better (temp coeff **-0.340%/°C** vs **-0.350%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Jinko Solar JS182MHC120-450 and Jinko Solar JS182MHC144-540? **Jinko Solar JS182MHC120-450** has a module efficiency of **20.79%**, while **Jinko Solar JS182MHC144-540** is **20.89%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Jinko Solar JS182MHC120-450 use vs Jinko Solar JS182MHC144-540? **Jinko Solar JS182MHC120-450** uses **PERC** cells; **Jinko Solar JS182MHC144-540** uses **PERC**. Modern **n-type** technologies (**TOPCon**, **HJT**, BC) typically deliver higher efficiency and lower degradation compared to older **PERC** (p-type) cells. ### What is the warranty on Jinko Solar JS182MHC120-450 and Jinko Solar JS182MHC144-540? **Jinko Solar JS182MHC120-450** has a **25 years** power warranty; **Jinko Solar JS182MHC144-540** has a **25 years** power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80**-87%**). Product (materials) warranties are usually shorter. ## Related comparisons - [Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-550](https://comparepv.com/compare/jinko-solar-js182mhc120-450/jinko-solar-js182mhc144-550) - 11 differences, the largest is rated power - [Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-545](https://comparepv.com/compare/jinko-solar-js182mhc120-450/jinko-solar-js182mhc144-545) - 11 differences, the largest is rated power - [Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-535](https://comparepv.com/compare/jinko-solar-js182mhc120-450/jinko-solar-js182mhc144-535) - 8 differences, the largest is rated power - [Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-530](https://comparepv.com/compare/jinko-solar-js182mhc120-450/jinko-solar-js182mhc144-530) - 9 differences, the largest is rated power - [Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-525](https://comparepv.com/compare/jinko-solar-js182mhc120-450/jinko-solar-js182mhc144-525) - 10 differences, the largest is rated power - [Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC132-510](https://comparepv.com/compare/jinko-solar-js182mhc120-450/jinko-solar-js182mhc132-510) - 9 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/jinko-solar-js182mhc120-450/jinko-solar-js182mhc144-540 Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.