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Phono Solar vs SunKean - solar panel manufacturer comparison

Phono Solar
China Founded 2004 Tier 1
Read the Phono Solar review
VS
SunKean
China Founded 2013
Read the SunKean review
At a glance

Phono Solar has the broader catalog (174 vs 57 models). SunKean leads on peak efficiency at 23.52%. SunKean leans bifacial (77% 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
174 57
Highest power
730 Wp 700 Wp
Best efficiency
23.5% 23.5%
Average efficiency
21.8% 21.2%
Bifacial share
43% 77%
Average warranty
27 yrs 29 yrs
01

The two companies

Company facts, not datasheet figures
Phono Solar

Phono Solar Technology Co., Ltd. specializes in the research, development, and manufacture of photovoltaic solar panels and is a global provider of solar products and services. The company is affiliated with SUMEC Group, a subsidiary of China National Machinery Industry Corporation (SINOMACH). Phono Solar has been...

Founded
2004
Headquarters
Nanjing, China
Annual capacity
3-4 GW/year
Employees
13000+
Tier 1 bankable
Yes
SunKean

SUNKEAN specializes in providing sustainable energy connection solutions to global customers. They offer a range of products including solar cables, wire harnesses, and related connectors for photovoltaic, energy storage, and charging sectors. As of 2025, SUNKEAN employs over 200 people and operates a production...

Founded
2013
Headquarters
Wuxi, Jiangsu, China
Employees
200+
02

Catalogue against catalogue

Averages over every model in the database
Metric Phono Solar SunKean
Catalog & Power
Panel Models 174+117 57
Max Power 730 W+30 W 700 W
Avg Power 515 W+68 W 447 W
Efficiency
Max Efficiency 23.50% 23.52%+0.02 pp
Avg Efficiency 21.77%+0.53 pp 21.25%
Reliability & Warranty
Avg Temp Coefficient -0.306%/°C -0.300%/°C+0.006
Bifacial Share 74 (43%) 44 (77%)+35 pp
Avg Warranty 27.1 yrs 28.9 yrs+1.8 yr

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

Phono Solar skews to higher efficiency: 11% of lineup is 23%+

Power spread
Share of each catalogue in every power band

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

Phono Solar cell technology
Share of their models by cell architecture

Dominant cell tech: PERC (37%)

SunKean cell technology
Share of their models by cell architecture

Dominant cell tech: TOPCon (39%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Phono Solar is a Chinese solar panel manufacturer founded in 2008 and headquartered in Nanjing, China. It operates as a business unit of Sumec Group, itself a subsidiary of China National Machinery Industry Corporation (Sinomach), a state-owned Fortune 500 enterprise. Phono Solar has been listed on BloombergNEF's Tier 1 PV module maker ranking continuously since 2014 - one of the longer-running Tier 1 streaks among mid-sized Chinese brands - and has earned recognition as a PVEL Top Performer in the Kiwa PVEL 2025 PV Module Reliability Scorecard. SunKean, by contrast, was founded in 2013 and is headquartered in Wuxi, Jiangsu, China. Its core business is not solar panel manufacturing but rather solar cables, MC4 connectors, and wiring harnesses for photovoltaic and energy storage systems. SunKean does list some solar panel system products on its website, but independent industry databases and review platforms consistently classify it as a balance-of-system (BOS) component supplier with roughly 240 employees and no documented BNEF Tier 1 module status. On institutional footprint, Phono Solar is the substantially more established name.

Phono Solar's product line spans residential rooftop and commercial ground-mount segments, with its flagship Quasar series featuring back-contact, dual-glass, bifacial modules that have reached module-level efficiencies above 23%, according to a late-2025 company announcement covered by A1 SolarStore. Standard monofacial lines are built on monocrystalline PERC, while newer offerings incorporate TOPCon cell technology - consistent with the broader industry shift away from PERC that accelerated through 2024. Warranties run to 12 years on product and 25 years on performance for most lines, extending to 15 and 30 years on bifacial variants. SunKean's own website offers some OEM solar panel systems and half-cut PV panel products, but these appear to be sourced or assembled rather than manufactured from cell production, and no independent lab tests or installer reviews for SunKean panels were found through any credible solar-specific publication.

For a typical buyer in 2025 - whether a residential installer seeking bankable modules or a commercial developer requiring financing comfort - Phono Solar is the clear default between these two names. Its BNEF Tier 1 standing, PVEL performance data, and long supply track record give it meaningful credibility. SunKean serves a different and complementary role in the PV value chain: it is better evaluated as a cable and connector supplier rather than a panel brand, and the two are not genuinely interchangeable in that context.

Generated by Claude Sonnet · 2026-06-19

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 5 Phono Solar 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.