---
title: "JS Solar vs Techwise Solar - Brand Comparison | ComparePV"
description: "Compare JS Solar vs Techwise Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/js-solar-vs-techwise-solar"
image: "https://comparepv.com/og/compare/manufacturers/js-solar/techwise-solar.png"
---

# JS Solar vs Techwise Solar

Techwise Solar has the broader catalog (164 vs 137 models). Techwise Solar leads on peak efficiency at 23.80%. Techwise Solar leans bifacial (49% of lineup).


## The two companies


| Attribute | JS Solar | Techwise Solar |
| --- | --- | --- |
| Country | China |  |
| Headquarters | Jinhua |  |
| Founded | 2011 |  |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | no | no |
| Listed |  |  |
| Website | [https://www.jssolar.com](https://www.jssolar.com) |  |


## Catalog & Power


| Measure | JS Solar | Techwise Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 137 | 164 | +27 |
| Max Power | 670 W | 720 W | +50 W |
| Avg Power | 430 W | 530 W | +100 W |


## Efficiency


| Measure | JS Solar | Techwise Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 22.45% | 23.80% | +1.35 pp |
| Avg Efficiency | 20.03% | 21.88% | +1.85 pp |


## Reliability & Warranty


| Measure | JS Solar | Techwise Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.335%/°C | -0.317%/°C | +0.018 |
| Bifacial Share | 12 (9%) | 81 (49%) | +41 pp |
| Avg Warranty | 25.1 yrs | 27.3 yrs | +2.2 yr |


## Efficiency distribution

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


| Efficiency band | JS Solar | Techwise Solar |
| --- | --- | --- |
| \<20% | 44 (32.1%) | 2 (1.2%) |
| 20-21% | 49 (35.8%) | 25 (15.2%) |
| 21-22% | 38 (27.7%) | 47 (28.7%) |
| 22-23% | 6 (4.4%) | 74 (45.1%) |
| 23%+ | 0 | 15 (9.1%) |
| Unknown | 0 | 1 (0.6%) |


## Power distribution

Techwise Solar offers more 600W+ panels (27% of lineup)


| Power band | JS Solar | Techwise Solar |
| --- | --- | --- |
| \<400W | 54 (39.4%) | 4 (2.4%) |
| 400-499W | 44 (32.1%) | 60 (36.6%) |
| 500-599W | 32 (23.4%) | 55 (33.5%) |
| 600-699W | 7 (5.1%) | 40 (24.4%) |
| 700W+ | 0 | 5 (3.0%) |


## Cell technology

Dominant cell tech: PERC (39%)

Dominant cell tech: TOPCon (70%)


| Technology | JS Solar | Techwise Solar |
| --- | --- | --- |
| Unknown | 76 (55.5%) | 4 (2.4%) |
| PERC | 53 (38.7%) | 46 (28.0%) |
| TOPCon | 8 (5.8%) | 114 (69.5%) |


## 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, 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

JS Solar is a Chinese manufacturer headquartered in Wuxi, Jiangsu province, founded in 2007. The company exports roughly 2 GW of modules and a further 2 GW of cells and wafers per year, alongside approximately 500 MWh of solar storage systems, positioning it as a mid-scale but established player in China's export market. JS Solar does not appear on the BloombergNEF Tier 1 bankability list, which is common for manufacturers of its profile that compete primarily on volume and pricing rather than on credentials required for non-recourse project finance. Techwise Solar Technology, also Jiangsu-based but located in Nantong, operates at a smaller scale with a stated annual production capacity of around 1 GW. Techwise has built its reputation chiefly as an ODM/OEM contract supplier producing white-label modules for Tier 1 brands, rather than cultivating a retail end-market brand of its own. In terms of institutional footprint, JS Solar's larger export volumes and documented distributor network across Latin America, the Middle East, and beyond give it a marginally stronger market presence.

JS Solar's catalogue targets residential through commercial-scale applications, covering a power range from 200 W to 670 W with an average module efficiency of around 20 percent and top models reaching 22.4 percent - a range consistent with a manufacturer iterating its lineup across nearly two decades. Techwise Solar produces PERC, TOPCon, and bifacial glass modules across cell formats from 166 mm up to 210 mm, and holds TUV, CE, ISO, and CGC certifications. Because Techwise operates predominantly in ODM/OEM mode, buyers sourcing directly from the factory are in practice obtaining the same class of hardware that underpins some better-known branded modules on the international market.

For a typical international buyer seeking a branded panel with traceable field performance data and an established distributor network, JS Solar is the more straightforward default. Techwise Solar is the better fit for procurement teams or EPC contractors comfortable with contract-manufacturing arrangements who want technology flexibility across PERC, TOPCon, and bifacial formats. Neither brand holds BloombergNEF Tier 1 status, so thorough due diligence on manufacturer financial warranties and local after-sales support is advisable whichever route a buyer chooses.

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 Techwise Solar](https://comparepv.com/ae-solar-vs-techwise-solar)
- [JS Solar vs AEET](https://comparepv.com/js-solar-vs-aeet)
- [AIKO vs Techwise Solar](https://comparepv.com/aiko-vs-techwise-solar)
- [JS Solar vs AKCOME](https://comparepv.com/js-solar-vs-akcome)
- [ARTsolar vs Techwise Solar](https://comparepv.com/artsolar-vs-techwise-solar)


---

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

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