--- title: "Jinko Solar JKM610-635N-66HL4M-(V) (615W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (625W bin) - Solar Panel Comparison | ComparePV" description: "Compare Jinko Solar JKM610-635N-66HL4M-(V) (615W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (625W bin) 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-co-ltd-jkm610-635n-66hl4m-v-615w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-625w-bin" updated: 2026-09-11 --- # Jinko Solar JKM610-635N-66HL4M-(V) (615W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (625W bin) (625W bin) leads on the differences that matter The largest is module efficiency: 0.37 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Jinko Solar JKM610-635N-66HL4M-(V) (615W bin)](https://comparepv.com/panel/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-615w-bin) | [Jinko Solar JKM610-635N-66HL4M-(V) (625W bin)](https://comparepv.com/panel/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-625w-bin) | | Manufacturer | Jinko Solar | Jinko Solar | | Power | 615 Wp | 625 Wp | | Efficiency | 22.77 % | 23.14 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | (615W bin) | (625W bin) | Difference | | --- | --- | --- | --- | | Module efficiency | 22.77 % | 23.14 % | +0.37 pp for (625W bin) | | Power density | 227.7 Wp/m² | 231.4 Wp/m² | +3.7 Wp/m² for (625W bin) | | Rated power | 615 Wp | 625 Wp | +10 W for (625W bin) | ## Every compared parameter | Parameter | (615W bin) | (625W bin) | | --- | --- | --- | | Rated power | 615 Wp | 625 Wp | | Module efficiency | 22.77 % | 23.14 % | | Power density | 227.7 Wp/m² | 231.4 Wp/m² | | Open-circuit voltage | 48.79 V | 49.11 V | | Voltage at max power | 40.73 V | 41.07 V | | Short-circuit current | 16.08 A | 16.22 A | | Current at max power | 15.10 A | 15.22 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 2382x1134x35 mm | 2382x1134x35 mm | | Module area | 2.701 m² | 2.701 m² | | Weight | 28.2 kg | 28.2 kg | | Weight per kWp | 45.9 kg/kWp | 45.1 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | No | No | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.290 %/°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, (615W bin):** 20,634 kWh - **Cumulative output, (625W bin):** 20,970 kWh - **Gap:** 336 kWh ## Output when hot | Condition | Cell temperature | (615W bin) | (625W bin) | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 615 W | 625 W | 100.0% of rated power | | Cool, bright day | 40 °C | 588 W | 598 W | 95.7% of rated power | | Typical summer roof | 55 °C | 561 W | 571 W | 91.3% of rated power | | Hot roof | 70 °C | 535 W | 543 W | 87.0% of rated power | ## Against the whole database | Measure | (615W bin) | (625W bin) | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #3,073 | #1,509 | 14,005 | (625W bin) leads by 1,564 places | | Power density | #3,077 | #1,513 | 14,005 | (625W bin) leads by 1,564 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #900 | #619 | 14,005 | (625W bin) leads by 281 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #2,825 | #2,169 | 14,005 | (625W bin) leads by 656 places | ## Questions ### Which panel is better: Jinko Solar JKM610-635N-66HL4M-(V) (615W bin) or Jinko Solar JKM610-635N-66HL4M-(V) (625W bin)? According to our database: **Jinko Solar JKM610-635N-66HL4M-(V) (**625 W** bin)** has higher module efficiency (**23.14%** vs **22.77%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Jinko Solar JKM610-635N-66HL4M-(V) (615W bin) and Jinko Solar JKM610-635N-66HL4M-(V) (625W bin)? **Jinko Solar JKM610-635N-66HL4M-(V) (**615 W** bin)** has a module efficiency of **22.77%**, while **Jinko Solar JKM610-635N-66HL4M-(V) (**625 W** bin)** is **23.14%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Jinko Solar JKM610-635N-66HL4M-(V) (615W bin) use vs Jinko Solar JKM610-635N-66HL4M-(V) (625W bin)? **Jinko Solar JKM610-635N-66HL4M-(V) (**615 W** bin)** uses **TOPCon** cells; **Jinko Solar JKM610-635N-66HL4M-(V) (**625 W** bin)** uses **TOPCon**. 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 JKM610-635N-66HL4M-(V) (615W bin) and Jinko Solar JKM610-635N-66HL4M-(V) (625W bin)? **Jinko Solar JKM610-635N-66HL4M-(V) (**615 W** bin)** has a **30 years** power warranty; **Jinko Solar JKM610-635N-66HL4M-(V) (**625 W** bin)** has a **30 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 JKM610-635N-66HL4M-(V) (615W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (635W bin)](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-615w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-635w-bin) - 3 differences, the largest is module efficiency - [Jinko Solar JKM610-635N-66HL4M-(V) (615W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (630W bin)](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-615w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-630w-bin) - 3 differences, the largest is module efficiency - [Jinko Solar JKM610-635N-66HL4M-(V) (615W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-615w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-620w-bin) - The same specification on paper - [Jinko Solar JKM610-635N-66HL4M-(V) (615W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (610W bin)](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-615w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-610w-bin) - The same specification on paper - [Jinko Solar JKM610-635N-66HL4M-(V) (615W bin) vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-615w-bin/jinkosolar-jkm710-735n-66hl5-bdv-z3-eu-735w-bin) - 10 differences, the largest is module efficiency - [Jinko Solar JKM610-635N-66HL4M-(V) (615W bin) vs Jinko Solar JKM735N-66HL5-BDV-Z3-EU](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-615w-bin/jinko-solar-jkm735n-66hl5-bdv-z3-eu) - 10 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-615w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-625w-bin 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.