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JS Solar vs Seraphim - solar panel manufacturer comparison

JS Solar
China Founded 2011
Read the JS Solar review
VS
Seraphim
China Founded 2011 Tier 1
Read the Seraphim review
At a glance

Seraphim has the broader catalog (160 vs 137 models). Seraphim leads on peak efficiency at 23.50%. Seraphim leans bifacial (69% 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
137 160
Highest power
670 Wp 730 Wp
Best efficiency
22.4% 23.5%
Average efficiency
20.0% 21.8%
Bifacial share
9% 69%
Average warranty
25 yrs 29 yrs
01

The two companies

Company facts, not datasheet figures
JS Solar
Founded
2011
Headquarters
Jinhua, China
Seraphim

Seraphim is a world-class solar products manufacturer specializing in research, development, production, and sales of solar PV products. The company has achieved significant milestones, outpacing competitors in production capacity and innovative designs. Seraphim is committed to technological innovation and...

Founded
2011
Headquarters
Changzhou, China
Annual capacity
13 GW/year
Employees
1001-5000
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric JS Solar Seraphim
Catalog & Power
Panel Models 137 160+23
Max Power 670 W 730 W+60 W
Avg Power 430 W 549 W+119 W
Efficiency
Max Efficiency 22.45% 23.50%+1.05 pp
Avg Efficiency 20.03% 21.82%+1.79 pp
Reliability & Warranty
Avg Temp Coefficient -0.335%/°C -0.316%/°C+0.019
Bifacial Share 12 (9%) 111 (69%)+61 pp
Avg Warranty 25.1 yrs 28.8 yrs+3.6 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

Seraphim skews to higher efficiency: 12% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Seraphim offers more 600W+ panels (35% of lineup)

JS Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (39%)

Seraphim cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (52%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...
06

Other brand comparisons

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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 Seraphim 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.