---
title: "Jinko Solar JKM610-635N-66HL4M-(V) (625W bin) vs Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin) - Solar Panel Comparison | ComparePV"
description: "Compare Jinko Solar JKM610-635N-66HL4M-(V) (625W bin) vs Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W 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-625w-bin/jinko-solar-jkm490-515n-60hl4-v-z1-oc-515w-bin"
updated: 2026-09-11
---

# Jinko Solar JKM610-635N-66HL4M-(V) (625W bin) vs Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)

JKM490-515N-60HL4-V-Z1-OC (515W bin) leads on the differences that matter

The largest is module efficiency: 0.69 pp more efficient. 6 of 19 comparable parameters are identical.


## The two panels


| Attribute | A | B |
| --- | --- | --- |
| Panel | [Jinko Solar JKM610-635N-66HL4M-(V) (625W bin)](https://comparepv.com/panel/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-625w-bin) | [Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)](https://comparepv.com/panel/jinko-solar-jkm490-515n-60hl4-v-z1-oc-515w-bin) |
| Manufacturer | Jinko Solar | Jinko Solar |
| Power | 625 Wp | 515 Wp |
| Efficiency | 23.14 % | 23.83 % |
| Technology | TOPCon | N-type |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | JKM610-635N-66HL4M-(V) (625W bin) | JKM490-515N-60HL4-V-Z1-OC (515W bin) | Difference |
| --- | --- | --- | --- |
| Module efficiency | 23.14 % | 23.83 % | +0.69 pp for JKM490-515N-60HL4-V-Z1-OC (515W bin) |
| Rated power | 625 Wp | 515 Wp | +110 W for JKM610-635N-66HL4M-(V) (625W bin) |
| Weight | 28.2 kg | 22.5 kg | -5.7 kg for JKM490-515N-60HL4-V-Z1-OC (515W bin) |
| Product warranty | 12 yrs | 25 yrs | +13 yrs for JKM490-515N-60HL4-V-Z1-OC (515W bin) |
| Power density | 231.4 Wp/m² | 238.3 Wp/m² | +6.9 Wp/m² for JKM490-515N-60HL4-V-Z1-OC (515W bin) |
| Open-circuit voltage | 49.11 V | 44.66 V | 4.45 V apart |
| Module area | 2.701 m² | 2.161 m² | 0.540 m² apart |
| Short-circuit current | 16.22 A | 14.41 A | 1.81 A apart |
| Cell technology | TOPCon | N-type | TOPCon vs N-type |
| Cell count | 132 | 120 | 12 cells apart |
| Voltage at max power | 41.07 V | 37.32 V | 3.75 V apart |
| Current at max power | 15.22 A | 13.80 A | 1.42 A apart |
| Dimensions | 2382x1134x35 mm | 1906x1134x30 mm | 2382x1134x35 mm vs 1906x1134x30 mm |


## Every compared parameter


| Parameter | JKM610-635N-66HL4M-(V) (625W bin) | JKM490-515N-60HL4-V-Z1-OC (515W bin) |
| --- | --- | --- |
| Rated power | 625 Wp | 515 Wp |
| Module efficiency | 23.14 % | 23.83 % |
| Power density | 231.4 Wp/m² | 238.3 Wp/m² |
| Open-circuit voltage | 49.11 V | 44.66 V |
| Voltage at max power | 41.07 V | 37.32 V |
| Short-circuit current | 16.22 A | 14.41 A |
| Current at max power | 15.22 A | 13.80 A |
| Temperature coefficient | -0.290 %/°C | -0.290 %/°C |
| Dimensions | 2382x1134x35 mm | 1906x1134x30 mm |
| Module area | 2.701 m² | 2.161 m² |
| Weight | 28.2 kg | 22.5 kg |
| Weight per kWp | 45.1 kg/kWp | 43.7 kg/kWp |
| Product warranty | 12 yrs | 25 yrs |
| Performance warranty | 30 yrs | 30 yrs |
| Annual degradation | 0.40 %/yr | 0.40 %/yr |
| Cell technology | TOPCon | N-type |
| Cell type | Monocrystalline | Monocrystalline |
| Cell count | 132 | 120 |
| 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, JKM610-635N-66HL4M-(V) (625W bin):** 20,970 kWh
- **Cumulative output, JKM490-515N-60HL4-V-Z1-OC (515W bin):** 17,279 kWh
- **Gap:** 3,691 kWh


## Output when hot


| Condition | Cell temperature | JKM610-635N-66HL4M-(V) (625W bin) | JKM490-515N-60HL4-V-Z1-OC (515W bin) | Retained |
| --- | --- | --- | --- | --- |
| Standard test conditions | 25 °C | 625 W | 515 W | 100.0% of rated power |
| Cool, bright day | 40 °C | 598 W | 493 W | 95.7% of rated power |
| Typical summer roof | 55 °C | 571 W | 470 W | 91.3% of rated power |
| Hot roof | 70 °C | 543 W | 448 W | 87.0% of rated power |


## Against the whole database


| Measure | JKM610-635N-66HL4M-(V) (625W bin) | JKM490-515N-60HL4-V-Z1-OC (515W bin) | Out of | Note |
| --- | --- | --- | --- | --- |
| Efficiency | #1,509 | #415 | 14,005 | JKM490-515N-60HL4-V-Z1-OC (515W bin) leads by 1,094 places |
| Power density | #1,513 | #426 | 14,005 | JKM490-515N-60HL4-V-Z1-OC (515W bin) leads by 1,087 places |
| Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database |
| Weight | #619 | #332 | 14,005 | JKM490-515N-60HL4-V-Z1-OC (515W bin) leads by 287 places |
| Warranty | #21 | #21 | 14,005 | Tied - the same position in the database |
| Overall | #2,169 | #2,355 | 14,005 | JKM610-635N-66HL4M-(V) (625W bin) leads by 186 places |


## Questions


### Which panel is better: Jinko Solar JKM610-635N-66HL4M-(V) (625W bin) or Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)?

According to our database: **Jinko Solar JKM490-515N-60HL4-V-Z1-OC (**515 W** bin)** has higher module efficiency (**23.83%** vs **23.14%**). 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) (625W bin) and Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)?

**Jinko Solar JKM610-635N-66HL4M-(V) (**625 W** bin)** has a module efficiency of **23.14%**, while **Jinko Solar JKM490-515N-60HL4-V-Z1-OC (**515 W** bin)** is **23.83%**. 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) (625W bin) use vs Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)?

**Jinko Solar JKM610-635N-66HL4M-(V) (**625 W** bin)** uses **TOPCon** cells; **Jinko Solar JKM490-515N-60HL4-V-Z1-OC (**515 W** bin)** uses **N-type**. 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) (625W bin) and Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)?

**Jinko Solar JKM610-635N-66HL4M-(V) (**625 W** bin)** has a **30 years** power warranty; **Jinko Solar JKM490-515N-60HL4-V-Z1-OC (**515 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) (625W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (635W bin)](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-625w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-635w-bin) - 3 differences, the largest is module efficiency
- [Jinko Solar JKM610-635N-66HL4M-(V) (625W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (630W bin)](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-625w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-630w-bin) - The same specification on paper
- [Jinko Solar JKM610-635N-66HL4M-(V) (625W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-625w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-620w-bin) - The same specification on paper
- [Jinko Solar JKM610-635N-66HL4M-(V) (625W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (615W bin)](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-625w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-615w-bin) - 3 differences, the largest is module efficiency
- [Jinko Solar JKM610-635N-66HL4M-(V) (625W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (610W bin)](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-625w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-610w-bin) - 3 differences, the largest is module efficiency
- [Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin) vs Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin)](https://comparepv.com/compare/jinko-solar-jkm490-515n-60hl4-v-z1-oc-515w-bin/jinko-solar-jkm490-515n-60hl4-v-z1-oc-510w-bin) - One difference: module efficiency


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Source: https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-625w-bin/jinko-solar-jkm490-515n-60hl4-v-z1-oc-515w-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.