---
title: "AKCOME vs VSUN - Brand Comparison | ComparePV"
description: "Compare AKCOME vs VSUN solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/akcome-vs-vsun"
---

# AKCOME vs VSUN

VSUN has the broader catalog (111 vs 3 models). VSUN leads on peak efficiency at 23.14%. AKCOME leans bifacial (100% of lineup).


## The two companies


| Attribute | AKCOME | VSUN |
| --- | --- | --- |
| Country | China | Germany |
| Headquarters | Suzhou | Frankfurt am Main |
| Founded | 2003 | 2012 |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | no | no |
| Listed |  |  |
| Website | [https://www.akcome.com](https://www.akcome.com) | [https://www.vsun-solar.com](https://www.vsun-solar.com) |


## Catalog & Power


| Measure | AKCOME | VSUN | Margin |
| --- | --- | --- | --- |
| Panel Models | 3 | 111 | +108 |
| Max Power | 700 W | 715 W | +15 W |
| Avg Power | 672 W | 524 W | +148 W |


## Efficiency


| Measure | AKCOME | VSUN | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 22.54% | 23.14% | +0.60 pp |
| Avg Efficiency | 21.63% | 21.71% | +0.09 pp |


## Reliability & Warranty


| Measure | AKCOME | VSUN | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.240%/°C | -0.308%/°C | +0.068 |
| Bifacial Share | 3 (100%) | 83 (75%) | +25 pp |
| Avg Warranty | 30.0 yrs | 29.7 yrs | +0.3 yr |


## Efficiency distribution

VSUN skews to higher efficiency: 3% of lineup is 23%+


| Efficiency band | AKCOME | VSUN |
| --- | --- | --- |
| 21-22% | 2 (66.7%) | 55 (49.5%) |
| 22-23% | 1 (33.3%) | 39 (35.1%) |
| \<20% | 0 | 1 (0.9%) |
| 20-21% | 0 | 13 (11.7%) |
| 23%+ | 0 | 3 (2.7%) |


## Power distribution

AKCOME offers more 600W+ panels (100% of lineup)


| Power band | AKCOME | VSUN |
| --- | --- | --- |
| 600-699W | 2 (66.7%) | 27 (24.3%) |
| 700W+ | 1 (33.3%) | 5 (4.5%) |
| \<400W | 0 | 3 (2.7%) |
| 400-499W | 0 | 48 (43.2%) |
| 500-599W | 0 | 28 (25.2%) |


## Cell technology

Dominant cell tech: **HJT** (100%)

Dominant cell tech: **TOPCon** (72%)


| Technology | AKCOME | VSUN |
| --- | --- | --- |
| HJT | 3 (100.0%) | 0 |
| TOPCon | 0 | 80 (72.1%) |
| PERC | 0 | 28 (25.2%) |
| Unknown | 0 | 3 (2.7%) |


## Top panels, AKCOME


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SKA611HDGDC-700W](https://comparepv.com/panel/akcome-ska611hdgdc-700w) | 700 | 22.5 | -0.240 | Monocrystalline |
| 2 | [SKA611HDGDC-660W](https://comparepv.com/panel/akcome-ska611hdgdc-660w) | 660 | 21.2 | -0.240 | Monocrystalline |
| 3 | [SKA611HDGDC-655W](https://comparepv.com/panel/akcome-ska611hdgdc-655w) | 655 | 21.1 | -0.240 | Monocrystalline |


## Top panels, VSUN


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [VSUN715N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun715n-132bmht-dg) | 715 | 23.0 | -0.300 | Monocrystalline |
| 2 | [VSUN710N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun710n-132bmht-dg) | 710 | 22.9 | -0.300 | Monocrystalline |
| 3 | [VSUN705N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun705n-132bmht-dg) | 705 | 22.7 | -0.300 | Monocrystalline |
| 4 | [VSUN700N-132BMH-DG](https://comparepv.com/panel/vsun-vsun700n-132bmh-dg) | 700 | 22.5 | -0.300 | Monocrystalline |
| 5 | [VSUN700N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun700n-132bmht-dg) | 700 | 22.5 | -0.300 | Monocrystalline |
| 6 | [VSUN695N-132BMH-DG](https://comparepv.com/panel/vsun-vsun695n-132bmh-dg) | 695 | 22.4 | -0.300 | Monocrystalline |
| 7 | [VSUN695N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun695n-132bmht-dg) | 695 | 22.4 | -0.300 | Monocrystalline |
| 8 | [VSUN690N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun690n-132bmht-dg) | 690 | 22.2 | -0.300 | Monocrystalline |
| 9 | [VSUN690N-132BMH-DG](https://comparepv.com/panel/vsun-vsun690n-132bmh-dg) | 690 | 22.2 | -0.300 | Monocrystalline |
| 10 | [VSUN685N-132BMH-DG](https://comparepv.com/panel/vsun-vsun685n-132bmh-dg) | 685 | 22.1 | -0.300 | Monocrystalline |


## Summary

AKCOME is a Chinese manufacturer founded in 2006 and headquartered in Zhejiang province. The company built a meaningful international footprint over the years and had previously achieved BloombergNEF Tier 1 bankability recognition, but was removed from that list in 2024 - a material concern for project finance. Its confirmed annual module output runs at roughly 3.8 GW, and it operates production sites across China including a 6 GW panel factory in Huzhou. VSUN, by contrast, is a Japanese-backed manufacturer founded in 2015 with its corporate headquarters in Tokyo and panel production handled through its subsidiary Toyo Solar in Vietnam, where a TOPCon cell facility with an initial 4 GW phase is in operation. VSUN holds active BNEF Tier 1 status as of Q1 2025, earned an EcoVadis Silver sustainability rating, and was named a Top Performer by PVEL in 2025, giving it the stronger current institutional footprint of the two.

On the product side, AKCOME's most distinctive offering is its HJT line - the HI-Chaser series targets residential and small commercial rooftops, while larger-format modules extend the range toward utility and agri-solar installations. The company has also invested in perovskite pilot research and holds TOPCon capacity, making it a technically ambitious but somewhat uncertain player given its recent de-listing from industry databases. VSUN's catalog centers on N-type TOPCon bifacial modules spanning a broad wattage range, positioned across residential, commercial, and utility-scale ground-mount applications, with Japanese engineering branding used to justify a mid-range price premium over lower-cost Chinese commodity panels.

For a typical buyer in 2025, VSUN is the more defensible default. Its active Tier 1 bankability status matters for project financing, its PVEL recognition supports insurance and O&M underwriting, and its Vietnam manufacturing base reduces some tariff exposure in key markets. AKCOME's HJT expertise is genuinely noteworthy, but the combination of its Tier 1 removal and reported website and listing issues in early 2025 introduces procurement and warranty-chain risk that most buyers would reasonably want to avoid until its bankability standing is restored.

\---LINKS---

\- https://www.pv-tech.org/akcome-technologies-on-hjt-cell-production/ \| AKCOME Technologies on HJT cell production and copper plating \| article

\- https://www.pv-magazine.com/press-releases/vsun-solar-successfully-listed-on-q3-bloomberg-new-energy-finance-tier-1-solar-module-manufacturers-list/ \| VSUN Solar listed on Q3 BloombergNEF Tier 1 manufacturers list \| article

\- https://www.pv-magazine.com/2024/04/22/vsun-starts-production-at-wafer-facility-in-vietnam/ \| VSUN starts production at wafer facility in Vietnam \| article

\- https://www.solarchoice.net.au/products/panels/akcome-solar-panels-review/ \| AKCOME Solar Panels - Independent Review by Solar Choice \| review

\- https://comparepv.com/reviews/vsun \| VSUN Solar Panels Review 2026 - Pros, Cons and Specs - ComparePV \| review

Written by claude-sonnet from the figures above.


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- [ASM vs VSUN](https://comparepv.com/asm-vs-vsun)


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Source: https://comparepv.com/akcome-vs-vsun

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