---
title: "JS Solar vs Phono Solar - Brand Comparison | ComparePV"
description: "Compare JS Solar vs Phono Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/js-solar-vs-phono-solar"
---

# JS Solar vs Phono Solar

Phono Solar has the broader catalog (174 vs 137 models). Phono Solar leads on peak efficiency at 23.50%. Phono Solar leans bifacial (43% of lineup).


## The two companies


| Attribute | JS Solar | Phono Solar |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Jinhua | Nanjing |
| Founded | 2011 | 2004 |
| Employees |  | 13000+ |
| Annual capacity |  | 3-4 GW/year |
| Tier 1 | no | yes |
| Listed |  |  |
| Website | [https://www.jssolar.com](https://www.jssolar.com) | [https://www.phonosolar.com](https://www.phonosolar.com) |

Phono Solar Technology Co., Ltd. specializes in the research, development, and manufacture of photovoltaic solar panels and is a global provider of solar products and services. The company is affiliated with SUMEC Group, a subsidiary of China National Machinery Industry Corporation (SINOMACH). Phono Solar has been...


## Catalog & Power


| Measure | JS Solar | Phono Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 137 | 174 | +37 |
| Max Power | 670 W | 730 W | +60 W |
| Avg Power | 430 W | 515 W | +85 W |


## Efficiency


| Measure | JS Solar | Phono Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 22.45% | 23.50% | +1.05 pp |
| Avg Efficiency | 20.03% | 21.77% | +1.74 pp |


## Reliability & Warranty


| Measure | JS Solar | Phono Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.335%/°C | -0.306%/°C | +0.029 |
| Bifacial Share | 12 (9%) | 74 (43%) | +34 pp |
| Avg Warranty | 25.1 yrs | 27.1 yrs | +2.0 yr |


## Efficiency distribution

Phono Solar skews to higher efficiency: 11% of lineup is 23%+


| Efficiency band | JS Solar | Phono Solar |
| --- | --- | --- |
| \<20% | 44 (32.1%) | 3 (1.7%) |
| 20-21% | 49 (35.8%) | 37 (21.3%) |
| 21-22% | 38 (27.7%) | 53 (30.5%) |
| 22-23% | 6 (4.4%) | 62 (35.6%) |
| 23%+ | 0 | 19 (10.9%) |


## Power distribution

Phono Solar offers more 600W+ panels (20% of lineup)


| Power band | JS Solar | Phono Solar |
| --- | --- | --- |
| \<400W | 54 (39.4%) | 10 (5.7%) |
| 400-499W | 44 (32.1%) | 78 (44.8%) |
| 500-599W | 32 (23.4%) | 51 (29.3%) |
| 600-699W | 7 (5.1%) | 23 (13.2%) |
| 700W+ | 0 | 12 (6.9%) |


## Cell technology

Dominant cell tech: **PERC** (39%)

Dominant cell tech: **PERC** (37%)


| Technology | JS Solar | Phono Solar |
| --- | --- | --- |
| Unknown | 76 (55.5%) | 0 |
| PERC | 53 (38.7%) | 65 (37.4%) |
| TOPCon | 8 (5.8%) | 53 (30.5%) |
| N-type | 0 | 50 (28.7%) |
| HJT | 0 | 5 (2.9%) |
| Back Contact | 0 | 1 (0.6%) |


## Top panels, JS Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [JS210MHC132-670](https://comparepv.com/panel/js-solar-js210mhc132-670) | 670 | 21.6 | -0.340 | Monocrystalline |
| 2 | [JS210MHC132-665](https://comparepv.com/panel/js-solar-js210mhc132-665) | 665 | 21.4 | -0.340 | Monocrystalline |
| 3 | [JS210MHC132-660](https://comparepv.com/panel/js-solar-js210mhc132-660) | 660 | 21.2 | -0.340 | Monocrystalline |
| 4 | [JS210MHC132-655](https://comparepv.com/panel/js-solar-js210mhc132-655) | 655 | 21.1 | -0.340 | Monocrystalline |
| 5 | [JS210MHC132-650](https://comparepv.com/panel/js-solar-js210mhc132-650) | 650 | 20.9 | -0.340 | Monocrystalline |
| 6 | [JS210MHC120-605](https://comparepv.com/panel/js-solar-js210mhc120-605) | 605 | 21.4 | -0.340 | Monocrystalline |
| 7 | [JS210MHC120-600](https://comparepv.com/panel/js-solar-js210mhc120-600) | 600 | 21.2 | -0.340 | Monocrystalline |
| 8 | [JS210MHC120-595](https://comparepv.com/panel/js-solar-js210mhc120-595) | 595 | 21.0 | -0.340 | Monocrystalline |
| 9 | [JS210MHC120-590](https://comparepv.com/panel/js-solar-js210mhc120-590) | 590 | 20.8 | -0.340 | Monocrystalline |
| 10 | [JS210MHC120-585](https://comparepv.com/panel/js-solar-js210mhc120-585) | 585 | 20.7 | -0.340 | Monocrystalline |


## Top panels, Phono Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [PS730M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps730m13gfh-22-wshw) | 730 | 23.5 | -0.240 | Monocrystalline |
| 2 | [NS-730MH-132](https://comparepv.com/panel/phono-solar-ns-730mh-132) | 730 | 23.5 | -0.290 | Monocrystalline |
| 3 | [PS725M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps725m13gfh-22-wshw) | 725 | 23.3 | -0.240 | Monocrystalline |
| 4 | [PS720M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps720m13gfh-22-wshw) | 720 | 23.2 | -0.240 | Monocrystalline |
| 5 | [NS-720MH-132](https://comparepv.com/panel/phono-solar-ns-720mh-132) | 720 | 23.2 | -0.290 | Monocrystalline |
| 6 | [PS715M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps715m13gfh-22-wshw) | 715 | 23.0 | -0.240 | Monocrystalline |
| 7 | [PS710M13GFH-22/WNH](https://comparepv.com/panel/phono-solar-technology-co-ltd-ps710m13gfh-22-wnh) | 710 | 22.9 | -0.290 | Monocrystalline |
| 8 | [PS710M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps710m13gfh-22-wshw) | 710 | 22.9 | -0.240 | Monocrystalline |
| 9 | [NS-710MH-132](https://comparepv.com/panel/phono-solar-ns-710mh-132) | 710 | 22.9 | -0.290 | Monocrystalline |
| 10 | [PS705M13GFH-22/WNH](https://comparepv.com/panel/phono-solar-technology-co-ltd-ps705m13gfh-22-wnh) | 705 | 22.7 | -0.290 | Monocrystalline |


## Summary

JS Solar is a Chinese solar module manufacturer headquartered in Yixing, Jiangsu Province, operating since 2004 with its production base established in 2007 under the full corporate name Jiangsu Jinshang New Energy Technology Co., Ltd. The company occupies a niche position in the global market and, based on available research, does not appear on BloombergNEF Tier 1 lists, which limits its bankability for project-financed installations. Phono Solar, by contrast, is a brand of SUMEC Group - a Chinese state-owned enterprise under Sinomach, headquartered in Nanjing and founded in 2008 - and has held continuous BloombergNEF Tier 1 status since 2014, confirmed as recently as Q2 2025. In terms of institutional footprint and financial backing, Phono Solar is the substantially stronger of the two brands.

Phono Solar's product portfolio spans monocrystalline PERC, TOPCon, and HJT modules, with peak efficiency reaching 22.6%. The company earned a PVEL Top Performer designation in the 2025 PV Module Reliability Scorecard, an independently verified quality signal that matters to project developers and lenders. Its lineup skews toward commercial and industrial applications as well as utility-scale ground-mount projects, though residential-compatible modules are also available. Standard modules carry a 12-year product warranty and a 25-year linear performance guarantee, with bifacial variants extending those terms to 15 and 30 years respectively. JS Solar's product range is positioned in the budget-to-mid-tier segment, but independent technical reviews and cell-technology specifics are sparse, making it harder to verify claims about efficiency or durability through reputable third-party sources.

For most international buyers - from EPCs structuring project finance to commercial rooftop developers - Phono Solar is the more defensible default choice, given its sustained Tier 1 bankability, independently validated reliability, and transparent state-enterprise ownership structure. JS Solar may serve cost-sensitive applications where third-party bankability is not a requirement, but it warrants closer due diligence before deployment in financed or large-scale projects.

Written by claude-sonnet from the figures above.


## Other comparisons

- [JS Solar vs A.B. Energy](https://comparepv.com/js-solar-vs-a-b-energy)
- [AE Solar vs Phono Solar](https://comparepv.com/ae-solar-vs-phono-solar)
- [JS Solar vs AEET](https://comparepv.com/js-solar-vs-aeet)
- [AIKO vs Phono Solar](https://comparepv.com/aiko-vs-phono-solar)
- [JS Solar vs AKCOME](https://comparepv.com/js-solar-vs-akcome)
- [ARTsolar vs Phono Solar](https://comparepv.com/artsolar-vs-phono-solar)


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Source: https://comparepv.com/js-solar-vs-phono-solar

Not in this file, on the page: the distributions above drawn as charts.