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

# Resun Solar vs Techwise Solar

Resun Solar has the broader catalog (236 vs 164 models). Techwise Solar leads on peak efficiency at 23.80%. Techwise Solar leans bifacial (49% of lineup).


## The two companies


| Attribute | Resun Solar | Techwise Solar |
| --- | --- | --- |
| Country | China |  |
| Headquarters | Suzhou |  |
| Founded | 2007 |  |
| Employees |  |  |
| Annual capacity | 1 GW/year |  |
| Tier 1 |  | no |
| Listed |  |  |
| Website | [http://www.resunsolar.com](http://www.resunsolar.com) |  |

Resun Solar Energy Co., Ltd. specializes in developing and manufacturing high-quality, cost-effective photovoltaic solar modules. With factories accredited by ISO9001 & 14001, their panels are certified by TUV, IEC61215, IEC61730, and other international quality systems. The company's sales network spans over 80...


## Catalog & Power


| Measure | Resun Solar | Techwise Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 236 | 164 | +72 |
| Max Power | 735 W | 720 W | +15 W |
| Avg Power | 510 W | 530 W | +20 W |


## Efficiency


| Measure | Resun Solar | Techwise Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.66% | 23.80% | +0.14 pp |
| Avg Efficiency | 21.52% | 21.88% | +0.37 pp |


## Reliability & Warranty


| Measure | Resun Solar | Techwise Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.318%/°C | -0.317%/°C | +0.001 |
| Bifacial Share | 73 (31%) | 81 (49%) | +18 pp |
| Avg Warranty | 30.0 yrs | 27.3 yrs | +2.7 yr |


## Efficiency distribution

Techwise Solar skews to higher efficiency: 9% of lineup is 23%+


| Efficiency band | Resun Solar | Techwise Solar |
| --- | --- | --- |
| \<20% | 28 (11.9%) | 2 (1.2%) |
| 20-21% | 30 (12.7%) | 25 (15.2%) |
| 21-22% | 60 (25.4%) | 47 (28.7%) |
| 22-23% | 101 (42.8%) | 74 (45.1%) |
| 23%+ | 17 (7.2%) | 15 (9.1%) |
| Unknown | 0 | 1 (0.6%) |


## Power distribution

Resun Solar offers more 600W+ panels (29% of lineup)


| Power band | Resun Solar | Techwise Solar |
| --- | --- | --- |
| \<400W | 33 (14.0%) | 4 (2.4%) |
| 400-499W | 80 (33.9%) | 60 (36.6%) |
| 500-599W | 55 (23.3%) | 55 (33.5%) |
| 600-699W | 54 (22.9%) | 40 (24.4%) |
| 700W+ | 14 (5.9%) | 5 (3.0%) |


## Cell technology

Dominant cell tech: **TOPCon** (66%)

Dominant cell tech: **TOPCon** (70%)


| Technology | Resun Solar | Techwise Solar |
| --- | --- | --- |
| TOPCon | 155 (65.7%) | 114 (69.5%) |
| Unknown | 81 (34.3%) | 4 (2.4%) |
| PERC | 0 | 46 (28.0%) |


## Top panels, Resun Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [RS9H-M TOPCON-735](https://comparepv.com/panel/resun-solar-rs9h-m-topcon-735) | 735 | 23.7 | -0.300 | Monocrystalline |
| 2 | [RS9H-M TOPCON-730](https://comparepv.com/panel/resun-solar-rs9h-m-topcon-730) | 730 | 23.5 | -0.300 | Monocrystalline |
| 3 | [RS9H-M TOPCON-725](https://comparepv.com/panel/resun-solar-rs9h-m-topcon-725) | 725 | 23.3 | -0.300 | Monocrystalline |
| 4 | [RS9H-M TOPCON-720](https://comparepv.com/panel/resun-solar-rs9h-m-topcon-720) | 720 | 23.2 | -0.300 | Monocrystalline |
| 5 | [RS9H-M-720](https://comparepv.com/panel/resun-solar-rs9h-m-720) | 720 | 23.2 | -0.300 | Monocrystalline |
| 6 | [RS9H-M-DG-720](https://comparepv.com/panel/resun-solar-rs9h-m-dg-720) | 720 | 23.2 | -0.300 | Monocrystalline |
| 7 | [RS9H-M-715](https://comparepv.com/panel/resun-solar-rs9h-m-715) | 715 | 23.0 | -0.300 | Monocrystalline |
| 8 | [RS9H-M-DG-715](https://comparepv.com/panel/resun-solar-rs9h-m-dg-715) | 715 | 23.0 | -0.300 | Monocrystalline |
| 9 | [RS9H-M-710](https://comparepv.com/panel/resun-solar-rs9h-m-710) | 710 | 22.9 | -0.300 | Monocrystalline |
| 10 | [RS9H-M-DG-710](https://comparepv.com/panel/resun-solar-rs9h-m-dg-710) | 710 | 22.9 | -0.300 | Monocrystalline |


## Top panels, Techwise Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TW-720HT-01-720W](https://comparepv.com/panel/techwise-solar-tw-720ht-01-720w) | 720 | 22.5 | -0.300 | Monocrystalline |
| 2 | [TW-720HT-01-715W](https://comparepv.com/panel/techwise-solar-tw-720ht-01-715w) | 715 | 22.4 | -0.300 | Monocrystalline |
| 3 | [TW-720HT-01-710W](https://comparepv.com/panel/techwise-solar-tw-720ht-01-710w) | 710 | 22.2 | -0.300 | Monocrystalline |
| 4 | [TW-720HT-01-705W](https://comparepv.com/panel/techwise-solar-tw-720ht-01-705w) | 705 | 22.1 | -0.300 | Monocrystalline |
| 5 | [TW-720HT-01-700W](https://comparepv.com/panel/techwise-solar-tw-720ht-01-700w) | 700 | 21.9 | -0.300 | Monocrystalline |
| 6 | [TW-670HT](https://comparepv.com/panel/techwise-solar-tw-670ht) | 670 | 21.6 | -0.340 | Monocrystalline |
| 7 | [TW-665HT](https://comparepv.com/panel/techwise-solar-tw-665ht) | 665 | 21.4 | -0.340 | Monocrystalline |
| 8 | [TW-660HT](https://comparepv.com/panel/techwise-solar-tw-660ht) | 660 | 21.2 | -0.340 | Monocrystalline |
| 9 | [TW-655HT](https://comparepv.com/panel/techwise-solar-tw-655ht) | 655 | 21.1 | -0.340 | Monocrystalline |
| 10 | [TW-650HT](https://comparepv.com/panel/techwise-solar-tw-650ht) | 650 | 20.9 | -0.340 | Monocrystalline |


## Summary

Resun Solar is a Chinese photovoltaic module manufacturer headquartered in Suzhou, founded in 2007, with a modest production footprint reported at roughly 300 to 500 MW of annual capacity across two factories. It has supplied off-grid and on-grid systems to World Bank-backed solar programs in over 80 countries and holds standard TUV and IEC61215/IEC61730 certifications, but available sources do not confirm a current Bloomberg NEF Tier 1 bankability listing. Techwise Solar Technology Co., Ltd. is likewise a Chinese manufacturer, positioned as an integrated new-energy solutions provider covering R&D, production, sales, and installation, with a reported annual production capacity around 1 GW using automated lines for laser cutting and precision soldering. It carries TUV, CE, ISO, and CGC certifications but similarly shows no confirmed Tier 1/BNEF bankability status in independent listings. Between the two, Techwise appears to have a somewhat larger and more automated manufacturing base, giving it a slightly stronger institutional footprint, though neither brand carries the scale or track record of top-tier global players like JinkoSolar or Trina Solar.

Resun's product range centers on mono and polycrystalline modules aimed at residential and small commercial rooftops, with panels spanning roughly 420W to 590W and warranties marketed up to 30 years, reflecting a budget-to-midrange positioning for distributed generation projects. Techwise Solar's catalog, sold under names like Sun-Pursuit and Micro Sun, spans PERC, TOPCon, and bifacial glass-glass modules across common cell formats (182N, 183.75N, 210R, 210N), with OEM/ODM customization offered, suggesting a broader push into utility-scale ground-mount and commercial installations alongside residential use.

For a typical buyer in 2025, the two brands are best treated as comparable second-tier Chinese manufacturers rather than clearly differentiated choices; Techwise's newer TOPCon and bifacial lineup and larger production scale may appeal to commercial or utility buyers wanting more technology variety, while Resun's simpler mono/poly range and long-standing off-grid project history may suit smaller residential or emerging-market installations. Given that neither has confirmed Tier 1 bankability, buyers on either side should independently verify financing eligibility and local warranty support before committing to large projects.

\---LINKS---

\- https://comparepv.com/reviews/resun-solar \| Resun Solar Panels Review 2026: Pros, Cons and Specs \| review

\- https://www.enfsolar.com/resun-solar \| Resun Solar Energy Co., Ltd. manufacturer profile \| article

\- https://www.enfsolar.com/techwise-solar \| Techwise Solar Technology Co., Ltd. manufacturer profile \| article

Written by claude-sonnet-5 from the figures above.


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- [Resun Solar vs A.B. Energy](https://comparepv.com/resun-solar-vs-a-b-energy)
- [AE Solar vs Techwise Solar](https://comparepv.com/ae-solar-vs-techwise-solar)
- [Resun Solar vs AEET](https://comparepv.com/resun-solar-vs-aeet)
- [AIKO vs Techwise Solar](https://comparepv.com/aiko-vs-techwise-solar)
- [Resun Solar vs AKCOME](https://comparepv.com/resun-solar-vs-akcome)
- [ARTsolar vs Techwise Solar](https://comparepv.com/artsolar-vs-techwise-solar)


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Source: https://comparepv.com/resun-solar-vs-techwise-solar

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