--- title: "Jinko Solar JS310P vs Jinko Solar JS325P - Solar Panel Comparison | ComparePV" description: "Compare Jinko Solar JS310P vs Jinko Solar JS325P 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-js310p/jinko-solar-js325p" updated: 2026-09-11 --- # Jinko Solar JS310P vs Jinko Solar JS325P JS325P leads on the differences that matter The largest is module efficiency: 0.80 pp more efficient. 14 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Jinko Solar JS310P](https://comparepv.com/panel/jinko-solar-js310p) | [Jinko Solar JS325P](https://comparepv.com/panel/jinko-solar-js325p) | | Manufacturer | Jinko Solar | Jinko Solar | | Power | 310 Wp | 325 Wp | | Efficiency | 15.90 % | 16.70 % | | Technology | PERC | PERC | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | JS310P | JS325P | Difference | | --- | --- | --- | --- | | Module efficiency | 15.90 % | 16.70 % | +0.80 pp for JS325P | | Power density | 159.8 Wp/m² | 167.5 Wp/m² | +7.7 Wp/m² for JS325P | | Rated power | 310 Wp | 325 Wp | +15 W for JS325P | | Weight per kWp | 75.8 kg/kWp | 72.3 kg/kWp | -3.5 kg/kWp for JS325P | ## Every compared parameter | Parameter | JS310P | JS325P | | --- | --- | --- | | Rated power | 310 Wp | 325 Wp | | Module efficiency | 15.90 % | 16.70 % | | Power density | 159.8 Wp/m² | 167.5 Wp/m² | | Open-circuit voltage | 45.31 V | 46.21 V | | Voltage at max power | 36.70 V | 37.41 V | | Short-circuit current | 9.00 A | 9.18 A | | Current at max power | 8.45 A | 8.69 A | | Temperature coefficient | -0.420 %/°C | -0.420 %/°C | | Dimensions | 1956x992x40 mm | 1956x992x40 mm | | Module area | 1.940 m² | 1.940 m² | | Weight | 23.5 kg | 23.5 kg | | Weight per kWp | 75.8 kg/kWp | 72.3 kg/kWp | | Product warranty | 10 yrs | 10 yrs | | Performance warranty | 25 yrs | 25 yrs | | Annual degradation | - | - | | Cell technology | PERC | PERC | | Cell type | Polycrystalline | Polycrystalline | | Cell count | 72 | 72 | | 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 Same temp coeff. for both panels (-0.420 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other. - **Cumulative output, JS310P:** 10,401 kWh - **Cumulative output, JS325P:** 10,904 kWh - **Gap:** 503 kWh ## Output when hot | Condition | Cell temperature | JS310P | JS325P | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 310 W | 325 W | 100.0% of rated power | | Cool, bright day | 40 °C | 290 W | 305 W | 93.7% of rated power | | Typical summer roof | 55 °C | 271 W | 284 W | 87.4% of rated power | | Hot roof | 70 °C | 251 W | 264 W | 81.1% of rated power | ## Against the whole database | Measure | JS310P | JS325P | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #13,662 | #13,522 | 14,005 | JS325P leads by 140 places | | Power density | #13,641 | #13,505 | 14,005 | JS325P leads by 136 places | | Heat behaviour | #13,796 | #13,796 | 14,005 | Tied - the same position in the database | | Weight | #13,628 | #13,508 | 14,005 | JS325P leads by 120 places | | Warranty | #9,798 | #9,798 | 14,005 | Tied - the same position in the database | | Overall | #13,616 | #13,480 | 14,005 | JS325P leads by 136 places | ## Questions ### Which panel is better: Jinko Solar JS310P or Jinko Solar JS325P? According to our database: **Jinko Solar JS325P** has higher module efficiency (**16.70%** vs **15.90%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Jinko Solar JS310P and Jinko Solar JS325P? **Jinko Solar JS310P** has a module efficiency of **15.90%**, while **Jinko Solar JS325P** is **16.70%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Jinko Solar JS310P use vs Jinko Solar JS325P? **Jinko Solar JS310P** uses **PERC** cells; **Jinko Solar JS325P** 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 JS310P and Jinko Solar JS325P? **Jinko Solar JS310P** has a **25 years** power warranty; **Jinko Solar JS325P** 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 JS310P vs Jinko Solar JS330P](https://comparepv.com/compare/jinko-solar-js310p/jinko-solar-js330p) - 5 differences, the largest is module efficiency - [Jinko Solar JS310P vs Jinko Solar JS320P](https://comparepv.com/compare/jinko-solar-js310p/jinko-solar-js320p) - 4 differences, the largest is module efficiency - [Jinko Solar JS310P vs Jinko Solar JS315P](https://comparepv.com/compare/jinko-solar-js310p/jinko-solar-js315p) - One difference: module efficiency - [Jinko Solar JS310P vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)](https://comparepv.com/compare/jinko-solar-js310p/jinkosolar-jkm710-735n-66hl5-bdv-z3-eu-735w-bin) - 18 differences, the largest is module efficiency - [Jinko Solar JS310P vs Jinko Solar JKM735N-66HL5-BDV-Z3-EU](https://comparepv.com/compare/jinko-solar-js310p/jinko-solar-jkm735n-66hl5-bdv-z3-eu) - 18 differences, the largest is module efficiency - [Jinko Solar JS310P vs Jinko Solar JKM735N-66HL5-BDV-Z6-EU](https://comparepv.com/compare/jinko-solar-js310p/jinko-solar-jkm735n-66hl5-bdv-z6-eu) - 18 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/jinko-solar-js310p/jinko-solar-js325p 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.