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Epever vs Q-Cells - solar panel manufacturer comparison

Epever
China Founded 2007
Read the Epever review
VS
Q-Cells
South Korea Founded 1999 Tier 1
Read the Q-Cells review
At a glance

Q-Cells has the broader catalog (89 vs 0 models). Q-Cells leans bifacial (39% of lineup).

Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.

Panel models
0 89
Highest power
0 Wp 675 Wp
Best efficiency
- 23.2%
Average efficiency
- 21.2%
Bifacial share
0% 39%
Average warranty
- 27 yrs
01

The two companies

Company facts, not datasheet figures
Epever

Epever (Beijing Epsolar Technology Co., Ltd.) is a Chinese manufacturer specializing in solar charge controllers, off-grid inverters, and inverter-chargers for solar power systems. Founded in 2007, the company has grown to serve customers globally through a network of over 120 distribution partners. Epever is not a...

Founded
2007
Headquarters
Beijing, China
Employees
100-500
Q-Cells

Qcells is a renowned global provider of complete energy solutions, specializing in solar cells and modules, energy storage solutions, downstream project business, and energy retail. The company has a strong heritage dating back to its foundation in Germany and has become a leader in technology innovations. As an...

Founded
1999
Headquarters
Seoul, South Korea
Annual capacity
11.2 GW/year
Employees
2000+
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Epever Q-Cells
Catalog & Power
Panel Models 0 89+89
Max Power 0 W 675 W+675 W
Avg Power 0 W 468 W+468 W
Efficiency
Max Efficiency - 23.20%
Avg Efficiency - 21.21%
Reliability & Warranty
Avg Temp Coefficient - -0.325%/°C
Bifacial Share 0 (0%) 35 (39%)+39 pp
Avg Warranty - 27.0 yrs

An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

Q-Cells skews to higher efficiency: 2% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Q-Cells offers more 600W+ panels (19% of lineup)

Epever cell technology
Share of their models by cell architecture
Q-Cells cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (43%)

04

The flagships

Highest-power models from each brand
Epever all models
No panels from this manufacturer are in the database yet.
05

Written summary

Checking cache...

Epever (Beijing Epsolar Technology Co., Ltd.) is a Chinese company founded in 2007 and headquartered in Beijing, with a second manufacturing site in Huizhou. It is primarily recognized as a balance-of-system (BOS) equipment brand, with MPPT and PWM charge controllers, inverter-chargers, lithium iron phosphate battery packs, and portable power stations forming the core of its catalog. While some panel-directory databases list Epever under solar modules, the company's own product communications and third-party reviews center almost entirely on controllers and energy storage, and it does not appear on any BloombergNEF or S&P Global Tier 1 solar module bankability list. Q-Cells, now operating as Hanwha Q CELLS, traces its roots to a German founding before being acquired by South Korea's Hanwha Group in 2012; it is headquartered in Seoul with European operations in Bitterfeld-Wolfen, Germany, and a flagship U.S. manufacturing campus in Dalton, Georgia. Hanwha Q CELLS has confirmed Tier 1 / BloombergNEF Top Tier Class bankability status, a combined global module production capacity of roughly 11.3 GW per year as of recent reporting, and is named a 2025 S&P Global Tier 1 Cleantech company - giving it a substantially stronger institutional footprint.

On the product side, Epever's identifiable portfolio revolves around off-grid and hybrid system hardware suited to small residential installs, RV and boat systems, solar street lights, and distributed rural electrification - contexts where a reliable charge controller or inverter matters more than the panel brand. Q-Cells, by contrast, offers a broad module lineup for residential rooftops (notably the Q.TRON and Q.PEAK DUO families), commercial rooftops, and utility-scale ground mounts. Its panels use Q.ANTUM cell technology, a proprietary variant of PERC that Q-Cells has evolved toward TOPCon in newer lines, with efficiency ratings up to roughly 22-23% and a 25-year product warranty confirmed by multiple independent reviewers.

For any buyer shopping for solar panels in 2025, Q-Cells is the relevant choice between the two names listed here - Epever does not credibly compete in the module space and is better evaluated as a charge-controller and BOS brand. If the comparison was intended to include a panel brand alongside Q-Cells, a different second manufacturer should be considered, because these two companies serve largely different segments of the solar value chain.

Generated by Claude Sonnet · 2026-06-10

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 25 Q-Cells offers

Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.