Seraphim Solar Panels Review 2021

Updated: February 25, 2021

Seraphim is a Chinese solar manufacturer that was founded in 2011, in Changzhou China. The company boasts of an impressive 5GW global production capacity and over 8GW solar module shipping to 40+ destinations.

One of their biggest accomplishments in the industry was passing the Thresher Test – becoming the first PV manufacturer to do so. This rigorous test showed that their panels are high-quality and can last long.


Seraphim Solar’s unique edge in the market is its focus on PV technology development. With over 100 patents credited to the company, Seraphim has produced highly efficient and low-cost solar modules.

To prove their reliability, Seraphim offers more than the standard 10-year product warranty and a 25-year performance warranty on their solar panels. Some of their panels come with a 15-year product warranty and a 30-year performance warranty.

Another big difference between this warranty and other Tier 1 companies is that Seraphim allows you to get insurance for your panels through PowerGuard.

The insurance is tailored to cover you even if Seraphim goes out of business during the panel’s lifetime. This shows great confidence in the product.

For Australian homeowners, Seraphim has also made a deal with Australian Solar wholesaler and importer Raystech group to supply 50MW of their high-performance S3 series half-cut cell solar modules in the country.

This makes the cost of going solar very affordable.


Cell technology

Seraphim adopts the half-cut cell technology on both the poly and monocrystalline cells to manufacture solar panels of the highest efficiency and performance. This technology lowers the current generated in the module, thereby decreasing power losses and the impact of shading.

They also include a 5-busbar design, which improves the solar panel’s surface current collection and results in higher power output.

Most newer models, like the S3 series panels, also incorporate the 166mm silicon wafer technology in their design – and the Bifacial series makes use of the bifacial technology.


Are SERAPHIM solar panels perfect for rooftop solar?

Yes! Seraphim solar panels are among the best solar panels in the market today. The panels are not only efficient and reliable in power output, but they’re also aesthetically pleasing.

Their high module efficiency also means that you don’t need a big roof space to fit the required panels. Just a few more efficient panels will do.

Seraphim panels are also very durable and can withstand heavy snow and wind loads (about 5400/2400 pascals). You’ll therefore incur very little in maintenance and repair costs.


Range of SERAPHIM panels reviewed

S2 Series– SRP-(315-330)-6MB_158.75_EN

– SRP-(320-335)-BMB-B-HV_158.75

– SRP-(320-335)-BMB-HV_158.75_EN

– SRP-(330-345)-BMB-HV_158.75_EN

– SRP-(355-370)-BMC-HV_158.75_EN

– SRP-(355-370)-BMC-full-black-HV_158.75_EN

– SRP-(365-380)-BMC-HV_158.75_EN

– SRP-(365-380)-BMC full-black-HV_158.75_EN

– SRP-(380-395)-6MA_158.75_EN

– SRP-(390-405)-BMA-HV_158.75_EN

– SRP-(400-415)-BMA-HV_158.75_EN

– SRP-(425-440)-BMZ-HV_158.75_EN
S2 Bifacial Series– SRP-(320-335)-BMB-BG_Frame_158.75_EN

– SRP-(390-405)-BMA-BG_Frame_158.75_EN

– SRP-(425-440)-BMZ-BG_Frame_158.75_EN
S3 Series– SRP-(430-445)-BMA-HV_166_EN

– SRP-(360-375)-BMB-HV_166_EN

– SRP-(360-375)-BMB full black-HV_166_EN
S3 Bifacial Series– SRP-(430-445)-BMA-BG_Frame_166_EN

– SRP-(360-375)-BMB-BG_Frame_166_EN

S2 Series

Seraphim’s S2 series is one of their most successful panels in the market. They’ve become hugely popular among homeowners because of their high efficiency.

Size: 2180 x 1002 x 35mm
Cell type: PERC Monocrystalline
Cell number: 156 half-cut cells
Output: 440W
Weight: 24kg

Cell technology

The S2 series solar panels use the half-cut cell technology to improve their performance. Cutting the panels into two enhances the nominal power output of the cells by reducing internal power losses.

This technology also improves their power yield by increasing their performance in shaded conditions and lowering the hot spot effect.

Recently, Seraphim introduced the ‘all-black’ S2 series panels, which combines amazing aesthetics with high performance and power output for customers who don’t want to sacrifice either.



The S2 Series solar panels maintain a 92.1% output efficiency after 10 years and an 86.1% power output efficiency after 25 years. Their degradation rate is, therefore, quite low, ensuring that users can use the panels for a longer time and have a faster ROI.

Warranty/ Guarantee

Seraphim provides a 15-year product warranty and a 25-year performance warranty for its S2 series panels. This is better than most other Tier 1 manufacturers who offer the standard 10-year product warranty. It shows that the company believes in their product.

Peak Performance

The maximum output of the Seraphim S2 series output stands at 440W under the right conditions, with an efficiency of 20.14%. It’s, therefore, ideal for all types of structures, residential, commercial, or utility projects.

Panels needed for 6.6kW solar system

To install this panel on your 6.6kW solar system, you’ll only need 15 solar panels. This is because their high module efficiency and power output is enough to satisfy the property’s energy goals.



S2 Bifacial Series

The S2 Bifacial series features shingled solar modules that embrace multiple technologies to drastically improve performance and power output.

Size: 2198 x 1008 x 30mm
Cell type: PERC Monocrystalline
Cell number: 156 half-cut cells
Output: 440W
Weight: 28.5kg

Cell technology

Seraphim combines the bifacial solar technology with the half-cut cell technology in the S2 bifacial series to boost the cell module’s performance by nearly 30%. Bifacial technology allows the panels to absorb sunlight from both their front and rear sides.

Its design is also customized with lighter, 2.0mm, AR-coated tempered glass, which improves its snow and wind load and makes the cells much easier to transport and install.


Seraphim’s research and development team has made huge strides with the power output efficiency of the S2 bifacial series. The panels can now provide up to 93.0% of its initial performance within the first 10 years and 85.4% of its power output by the 25th year.

This efficiency is much higher than that of the conventional solar panels, whose 25-year power output efficiency stands at 83.1%.

Warranty/ Guarantee

Seraphim established its faith in its S2 Bifacial series with a 15-year product warranty and a 30-year performance warranty. Compared to the industry’s 10/25 combo, this is a sweet deal.

Peak Performance

At its peak, the S2 Bifacial solar panel’s maximum output stands at 440W using 156 half-cut cells and a 19.86% efficiency.

Panels needed for 5kW solar system

You’ll need around 11 S2 bifacial solar panels to fit your 5,000W or 5kW solar system. It’s the perfect solar panel for small rooftops and roofs that experience partial shading.


S3 Series

Seraphim’s S3 series is an upgrade of the S2 series. The R&D team worked to increase both its high module efficiency and power output without compromising the sleek all-black look.

Size: 2094 x 1038 x 35mm
Cell type: PERC Monocrystalline
Cell number:  144 half-cut cells
Output: 445W
Weight: 23.5kgs

Cell technology

These panels combine the half-cut cell technology with the multi-busbar (MBB) technology and integrates 166mm silicon wafers to optimize the panel’s module efficiency to over 20%.

MBB helps boost power output by increasing current collection paths, while the half-cut technology reduces power losses caused by internal ribbon efficiency in the solar panels.

The result is a significantly improved solar module efficiency.


Seraphim’s S3 Series solar panels feature a 92.1% power output efficiency after the first ten years and at least 83.1% of its initial power output by the 25th year. With proper regular maintenance, you can easily stretch this performance to the 30-year mark.

Warranty/ Guarantee

Like the S2 Series, Seraphim’s S3 Series guarantees you a 15years product warranty and a 25-year performance warranty.

Peak Performance

In the perfect conditions, the S3 series solar panel can achieve a maximum power output of 445W and an efficiency of 20.47%. This ranks this Seraphim solar panel among the top efficient solar panels in the market.

Panels needed for 3kW solar system

Being such a highly efficient panel, a 3kW solar system would only require 6 solar panels to meet the daily energy targets.


S3 Bifacial Series

The S3 Bifacial Series is perhaps the most sophisticated panel in Seraphim’s production.

Size: 2034 x 1038 x 30mm
Cell type: PERC Monocrystalline
Cell number: 144 half-cut cells
Output: 445W
Weight: 28.0kg

Cell technology

Seraphim incorporates all the modern technologies into these series, i.e., the half-cut cell technology, MBB, and Bifacial technologies with the bigger 166mm silicon wafer to redefine module efficiency.

The half-cut cell technology and multi-busbar technology decrease the internal losses, improving cell performance and efficiency by more than 5%.


Thanks to the advanced technology used for the S3 Bifacial series, you can expect a 90.5% power output in 10 years of use. Past the 25-year mark, the panels are still very efficient, with 85.5% of its initial power output.

Warranty/ Guarantee

Like the Seraphim S2 Bifacial series, the S3 Bifacial series also comes with a 15-year product material and workmanship warranty, and a 30-year linear power output warranty.

Compared to the standard 10/25 warranties, these extended warranty periods show the strong backing Seraphim gives its products.

Peak Performance

The maximum output for the S3 Bifacial Series is 445W, with a 20.47% efficiency using a 144 half-cut cell module. Thanks to its design, the panels can also withstand heavy snow and wind loads and have high heat tolerance.

Panels needed for 10kW solar system

For a 10kW solar system, you’ll need around 22 S3 Bifacial solar panels to meet your power output targets. The panel’s high efficiency makes this a very space-efficient solar panel. You can save up to 5% of your land and roof.

Seraphim, however, recommends the S3 Bifacial Series panels for utility power stations and Large C&1 projects.


Australian office?

The one flaw in an otherwise nearly perfect solar panel is that Seraphim doesn’t have an Australian office. The company’s website only mentions a sales center in Melbourne, which doesn’t offer warranty claim services.

Seraphim has instead outsourced all their warranty claim services in Australia to the solar installers, SAE Group, which is based in Tweed head, New South Wales.

Why an Australian office is important

Since most solar panel brands in Australia come from China and Europe, customers want to have some security that these companies can deliver on their warranty offers. That’s why having an office in the country is crucial.

An office makes it easier for homeowners to get help when things go wrong and reduces their reliance on unreliable suppliers.

After all, no one wants to spend hours on the phone with some Chinese customer support trying to explain their case.


SERAPHIM solar panel specification/ datasheet

 S2 SeriesS2 Bifacial SeriesS3 SeriesS3 Bifacial Series
Cell Number156 half-cut156 half-cut144 half-cut144 half-cut
Cell TypePERC MonocrystallinePERC MonocrystallinePERC MonocrystallinePERC Monocrystalline
Power Output440W440W445W445W
Panel Efficiency20.14%19.86%20.47%20.47%
Annual Power DegradationNot disclosedNot disclosedNot disclosedNot disclosed
Dimensions2180 x 1002 x 35mm2198 x 1008 x 30mm2094 x 1038 x 35mm2034 x 1038 x 30mm
Product Warranty15 years15 years15 years15 years
Performance Warranty30 years30 years25 years30 years
Operational Temperature Range-40~+85°C-40~+85°C-40~+85°C-40~+85°C
Made inChinaChinaChinaChina


Yes! Despite being in the market for less than a decade, Bloomberg New Energy Finance Corporation listed Seraphim among the top Tier 1 solar panels in the market.  It prides itself on having a vast pool of 50+ global financial partners who’ve helped balance their financial books.

Jiangsu Seraphim Solar System Co, Ltd. The company is based in China and has employed over 100 technicians for solar research and innovations.

Seraphim has its main factory in Changzhou, China. However, it also has a 300MW factory in the US and other smaller factories in Japan and South Africa.

Between 25 – 30 years. Seraphim designs and manufactures its solar modules with longevity and durability in mind. This is why they offer a 25-year and, for some panels, 30-year performance guarantee.

 Yes! Besides the fact that they don’t have an Australian office, Seraphim solar panels offer excellent efficiency with new technology, an impressive guarantee on all panels, and great solar cell power performance.

Ben McInerney head shotAuthor: Ben McInerney is a renewable energy enthusiast with the goal of helping more Australians understand solar systems to make the best choice before they purchase. Having an accredited solar installer in the family helps give Ben access to the correct information, which allows him to break it down and make it easily understandable to the average homeowner.