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

# DAON vs JA Solar

JA Solar has the broader catalog (504 vs 0 models). JA Solar leans bifacial (47% of lineup).


## The two companies


| Attribute | DAON | JA Solar |
| --- | --- | --- |
| Country |  | China |
| Headquarters |  | Beijing |
| Founded |  | 2005 |
| Employees |  | 37,289 |
| Annual capacity |  | 100+ GW/year |
| Tier 1 | no | yes |
| Listed |  | SZSE: 002459 |
| Website |  | [https://www.jasolar.com](https://www.jasolar.com) |

JA Solar is a global leader in the manufacturing of high-performance photovoltaic products. Founded in 2005, the company designs, develops, manufactures, and sells solar cells and modules. JA Solar's products are used in ground-mounted power plants, commercial & industrial rooftop PV systems, and residential rooftop...


## Catalog & Power


| Measure | DAON | JA Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 504 | +504 |
| Max Power | 0 W | 740 W | +740 W |
| Avg Power | 0 W | 456 W | +456 W |


## Efficiency


| Measure | DAON | JA Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 24.80% |  |
| Avg Efficiency | - | 21.13% |  |


## Reliability & Warranty


| Measure | DAON | JA Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.322%/°C |  |
| Bifacial Share | 0 (0%) | 238 (47%) | +47 pp |
| Avg Warranty | - | 27.9 yrs |  |


## Efficiency distribution

JA Solar skews to higher efficiency: 15% of lineup is 23%+


| Efficiency band | DAON | JA Solar |
| --- | --- | --- |
| \<20% | 0 | 112 (22.2%) |
| 20-21% | 0 | 99 (19.6%) |
| 21-22% | 0 | 112 (22.2%) |
| 22-23% | 0 | 107 (21.2%) |
| 23%+ | 0 | 74 (14.7%) |


## Power distribution

JA Solar offers more 600W+ panels (14% of lineup)


| Power band | DAON | JA Solar |
| --- | --- | --- |
| \<400W | 0 | 142 (28.2%) |
| 400-499W | 0 | 173 (34.3%) |
| 500-599W | 0 | 120 (23.8%) |
| 600-699W | 0 | 60 (11.9%) |
| 700W+ | 0 | 9 (1.8%) |


## Cell technology

Dominant cell tech: **PERC** (49%)


| Technology | DAON | JA Solar |
| --- | --- | --- |
| PERC | 0 | 247 (49.0%) |
| TOPCon | 0 | 146 (29.0%) |
| N-type | 0 | 90 (17.9%) |
| Unknown | 0 | 16 (3.2%) |
| HJT | 0 | 5 (1.0%) |


## Top panels, JA Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [JAM66D46-740/LB](https://comparepv.com/panel/ja-solar-jam66d46-740-lb) | 740 | 23.8 | -0.290 | Monocrystalline |
| 2 | [JAM66D46-735/LB](https://comparepv.com/panel/ja-solar-jam66d46-735-lb) | 735 | 23.7 | -0.290 | Monocrystalline |
| 3 | [JAM66D46-730/LB](https://comparepv.com/panel/ja-solar-jam66d46-730-lb) | 730 | 23.5 | -0.290 | Monocrystalline |
| 4 | [JAM66D46-725/LB](https://comparepv.com/panel/ja-solar-jam66d46-725-lb) | 725 | 23.3 | -0.290 | Monocrystalline |
| 5 | [JAM66D46-720/LB](https://comparepv.com/panel/ja-solar-jam66d46-720-lb) | 720 | 23.2 | -0.290 | Monocrystalline |
| 6 | [JAM66D46-715/LB](https://comparepv.com/panel/ja-solar-jam66d46-715-lb) | 715 | 23.0 | -0.290 | Monocrystalline |
| 7 | [JAM66D46-710/LB](https://comparepv.com/panel/ja-solar-jam66d46-710-lb) | 710 | 22.9 | -0.290 | Monocrystalline |
| 8 | [JAM66D46-705/LB](https://comparepv.com/panel/ja-solar-jam66d46-705-lb) | 705 | 22.7 | -0.290 | Monocrystalline |
| 9 | [JAM66D46-700/LB](https://comparepv.com/panel/ja-solar-jam66d46-700-lb) | 700 | 22.5 | -0.290 | Monocrystalline |
| 10 | [JAM66D46-695/LB](https://comparepv.com/panel/ja-solar-jam66d46-695-lb) | 695 | 22.4 | -0.290 | Monocrystalline |


## Summary

DAON is the module brand of DAS Solar, a Chinese manufacturer established in 2018. Despite its relatively short history, DAS Solar has secured a place on BloombergNEF's Global Tier 1 Solar Module Makers list for four consecutive quarters in 2025, reflecting recognized bankability and manufacturing maturity. The company built its early identity around N-type TOPCon cell production, claiming one of China's first large-scale TOPCon lines. JA Solar, also headquartered in China, operates on an entirely different scale - it went public in 2007, shipped approximately 79 GW of panels in 2024, and had accumulated nearly 300 GW in cumulative global shipments by mid-2025. JA Solar holds Tier 1 recognition from both BloombergNEF and S&P Global Commodity Insights and ranked second on SolarReviews' 2025 best-brands list. On institutional footprint and depth of operating track record, JA Solar holds a clear advantage.

DAON modules are built entirely around N-type TOPCon architecture, organized under a framework DAS Solar describes as "one core, three branches," covering standard TOPCon, back-contact variants, and related cell types. The brand targets commercial rooftop and utility-scale ground-mount buyers seeking high-efficiency N-type performance at competitive Chinese-manufacturer pricing. JA Solar's lineup is considerably broader - its Deep Blue series spans entry-level through premium tiers, and the current Deep Blue 4.0 Pro line uses N-type TOPCon cells with independently reviewed efficiency ratings in the 21.8-23.3% range, a 25-year product warranty, and a 30-year performance warranty capped at 0.4% annual degradation. JA Solar serves residential, commercial, and utility-scale customers, with roughly half of its 2024 shipments going to overseas markets.

For most buyers in 2025, JA Solar is the lower-risk default - it carries nearly two decades of field data, a global installer network, extensive third-party reviews, and pricing that benchmarks below the national installed-cost average. DAON from DAS Solar is a credible alternative for cost-sensitive or efficiency-focused commercial and utility procurement, backed by confirmed Tier 1 status and a clear TOPCon specialization, but it lacks the installer familiarity and independent review depth that JA Solar has accumulated over a much longer operating history.

\---LINKS---

\- https://www.pv-magazine.com/press-releases/das-solar-secures-fourth-consecutive-bnef-tier-1-recognition-with-global-innovation-and-sustainability/ \| DAS Solar secures fourth consecutive BNEF Tier 1 recognition - PV Magazine \| article

\- https://taiyangnews.info/amp/story/pressreleases/das-solar-secures-fourth-consecutive-bnef-tier-1-recognition-with-global-innovation-and-sustainability \| DAS Solar fourth consecutive BNEF Tier 1 - TaiyangNews \| article

\- https://www.solarreviews.com/blog/ja-solar-panels \| JA Solar Panels 2025 Expert Review - SolarReviews \| review

\- https://www.ecowatch.com/solar/best-companies/ja-solar-panels \| JA Solar Panels Review 2026 - EcoWatch \| review

Written by claude-sonnet from the figures above.


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- [DAON vs A.B. Energy](https://comparepv.com/daon-vs-a-b-energy)
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- [AIKO vs JA Solar](https://comparepv.com/aiko-vs-ja-solar)
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- [ARTsolar vs JA Solar](https://comparepv.com/artsolar-vs-ja-solar)


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Source: https://comparepv.com/daon-vs-ja-solar