---
title: "A.B. Energy vs CSUN - Brand Comparison | ComparePV"
description: "Compare A.B. Energy vs CSUN solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/a-b-energy-vs-csun"
---

# A.B. Energy vs CSUN

CSUN has the broader catalog (35 vs 0 models).


## The two companies


| Attribute | A.B. Energy | CSUN |
| --- | --- | --- |
| Country | Germany | China |
| Headquarters | Wiesbaden | Nanjing |
| Founded | 1996 | 2004 |
| Employees | 1,400 | 1000-5000 |
| Annual capacity |  | 2-3 GW/year |
| Tier 1 |  | yes |
| Listed | Xetra, Frankfurt Stock Exchange: AB9 |  |
| Website | [https://abo-energy.com](https://abo-energy.com) | [https://www.csun-solar.com](https://www.csun-solar.com) |

ABO Energy is a renewable energy company that develops and constructs renewable energy projects, focusing on wind, solar, and storage facilities. They offer turnkey solutions and have connected several gigawatts of nominal output to the grid. The company is active internationally and is committed to driving the energy...

China Sunergy (CSUN) is a Chinese manufacturer of solar cells and photovoltaic modules headquartered in Nanjing, Jiangsu. The company produces high-efficiency mono- and multicrystalline solar cells and modules from production facilities in China and, historically, Turkey. It was formerly listed on NASDAQ and was...


## Catalog & Power


| Measure | A.B. Energy | CSUN | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 35 | +35 |
| Max Power | 0 W | 670 W | +670 W |
| Avg Power | 0 W | 478 W | +478 W |


## Efficiency


| Measure | A.B. Energy | CSUN | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 21.60% |  |
| Avg Efficiency | - | 20.15% |  |


## Reliability & Warranty


| Measure | A.B. Energy | CSUN | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.366%/°C |  |
| Bifacial Share | 0 (0%) | 0 (0%) |  |
| Avg Warranty | - | 25.0 yrs |  |


## Efficiency distribution


| Efficiency band | A.B. Energy | CSUN |
| --- | --- | --- |
| \<20% | 0 | 11 (31.4%) |
| 20-21% | 0 | 13 (37.1%) |
| 21-22% | 0 | 11 (31.4%) |


## Power distribution

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


| Power band | A.B. Energy | CSUN |
| --- | --- | --- |
| \<400W | 0 | 15 (42.9%) |
| 400-499W | 0 | 5 (14.3%) |
| 500-599W | 0 | 8 (22.9%) |
| 600-699W | 0 | 7 (20.0%) |


## Cell technology

Dominant cell tech: **PERC** (94%)


| Technology | A.B. Energy | CSUN |
| --- | --- | --- |
| PERC | 0 | 33 (94.3%) |
| TOPCon | 0 | 2 (5.7%) |


## Top panels, CSUN


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [CSUN670-132M](https://comparepv.com/panel/csun-csun670-132m) | 670 | 21.6 | -0.350 | Monocrystalline |
| 2 | [CSUN665-132M](https://comparepv.com/panel/csun-csun665-132m) | 665 | 21.4 | -0.350 | Monocrystalline |
| 3 | [CSUN660-132M](https://comparepv.com/panel/csun-csun660-132m) | 660 | 21.2 | -0.350 | Monocrystalline |
| 4 | [CSUN655-132M](https://comparepv.com/panel/csun-csun655-132m) | 655 | 21.1 | -0.350 | Monocrystalline |
| 5 | [CSUN650-132M](https://comparepv.com/panel/csun-csun650-132m) | 650 | 20.9 | -0.350 | Monocrystalline |
| 6 | [CSUN645-132M](https://comparepv.com/panel/csun-csun645-132m) | 645 | 20.8 | -0.350 | Monocrystalline |
| 7 | [CSUN600-156M](https://comparepv.com/panel/csun-csun600-156m) | 600 | 21.4 | -0.360 | Monocrystalline |
| 8 | [CSUN595-156M](https://comparepv.com/panel/csun-csun595-156m) | 595 | 21.2 | -0.360 | Monocrystalline |
| 9 | [CSUN590-156M](https://comparepv.com/panel/csun-csun590-156m) | 590 | 21.1 | -0.360 | Monocrystalline |
| 10 | [CSUN585-156M](https://comparepv.com/panel/csun-csun585-156m) | 585 | 20.9 | -0.360 | Monocrystalline |


## Other comparisons

- [A.B. Energy vs AE Solar](https://comparepv.com/a-b-energy-vs-ae-solar)
- [AEET vs CSUN](https://comparepv.com/aeet-vs-csun)
- [A.B. Energy vs AIKO](https://comparepv.com/a-b-energy-vs-aiko)
- [AKCOME vs CSUN](https://comparepv.com/akcome-vs-csun)
- [A.B. Energy vs ARTsolar](https://comparepv.com/a-b-energy-vs-artsolar)
- [ASM vs CSUN](https://comparepv.com/asm-vs-csun)


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Source: https://comparepv.com/a-b-energy-vs-csun