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Manufacturer review

Runtech China panels, read off the datasheets

Runtech Energy, founded in 2008, is a leading independent solar production supplier and designer. They are a trader of solar modules and PV project developer, with over 500MW of premium quality modules deployed worldwide. Runtech is committed to providing high-quality solar products...

Everything below is computed from those 21 datasheets: no score out of ten, no ranking of brands against each other, and nothing a manufacturer can pay to change. Where Runtech China does not publish a figure, it is left out of the average rather than assumed.

Panels
21
models in the database
Average efficiency
18.6%
across the catalogue
Best efficiency
24.3%
their strongest module
Power range
4-420 Wp
smallest to largest
Bifacial share
5%
1 dual-sided models
Average warranty
25 years
guaranteed output term
01

The top of the range

The leaders of Runtech China's own catalogue on the two figures a specification sheet leads with. Neither is a verdict: the most efficient module in a range is rarely the one that suits a given roof.

Most efficient module efficiency
1 RT 4BW Monocrystalline bifacial 4 Wp 24.3% 2 RT420WM Monocrystalline 420 Wp 21.6% 3 RT415WM Monocrystalline 415 Wp 21.3% 4 RT410WM Monocrystalline 410 Wp 21.0% 5 RT405WM Monocrystalline 405 Wp 20.8%
Sort the whole catalogue by efficiency
Highest power nameplate output
1 RT420WM Monocrystalline 21.6% 420 Wp 2 RT415WM Monocrystalline 21.3% 415 Wp 3 RT410WM Monocrystalline 21.0% 410 Wp 4 RT405WM Monocrystalline 20.8% 405 Wp 5 RT400WM Monocrystalline 20.5% 400 Wp
Sort the whole catalogue by power
02

By what the array is for

Three cuts of the same catalogue, each ordered by efficiency inside its band. An empty column means the brand does not build for that case.

For a house roof 380-460 Wp
1 RT420WM Monocrystalline 420 Wp 21.6% 2 RT415WM Monocrystalline 415 Wp 21.3% 3 RT410WM Monocrystalline 410 Wp 21.0% 4 RT405WM Monocrystalline 405 Wp 20.8% 5 RT400WM Monocrystalline 400 Wp 20.5%
For a ground mount dual-sided
1 RT 4BW Monocrystalline bifacial 4 Wp 24.3%
03

What the catalogue is made of

Cell technology across the market

Shares are of the 21 modules in the database, counted once each. A power ladder of one module counts as its rungs, which is why a large catalogue is not the same as a wide one.

Cell technology share of the catalogue
Unknown 100.0% 21
Unknown accounts for 100.0% of the catalogue - 21 of 21 modules.
Efficiency spread share of the catalogue
<20% 61.9% 13 20-21% 19.0% 4 21-22% 14.3% 3 23%+ 4.8% 1
04

Strengths and gaps

Both lists are derived from the figures above rather than written about the brand. A gap here is a gap in what is published, which is not always a gap in what is built.

What this catalogue is good at
  • High-efficiency panels available (up to 24.3%)
  • Strong warranty coverage averaging 25 years
Where it is thin
  • Average efficiency of 18.6% is below the industry leading edge
  • Limited bifacial panel options
  • No high-power panels (500W+) available for commercial use
  • Limited adoption of latest cell technologies (TOPCon/HJT)
05

In short

Runtech China: Runtech China is an industry leader in efficiency, offering 21 panels suitable for residential installations. With an average efficiency of 18.6% and top models reaching 24.3%, their panels deliver competitive performance.
Common questions
Is Runtech China a good solar panel manufacturer?
Runtech China offers 21 solar panel models with an average efficiency of 18.6%. Check their full panel lineup on ComparePV to find the best model for your needs.
What types of solar panels does Runtech China make?
Runtech China manufactures panels ranging from 4W to 420W, covering both residential and commercial applications. Their portfolio includes Unknown (100%) cell technologies.
How efficient are Runtech China solar panels?
Runtech China panels have an average efficiency of 18.6%, with their most efficient model reaching 24.3%. This puts them among the industry leaders in the current market.
Does Runtech China make bifacial solar panels?
Yes, Runtech China offers 1 bifacial panels, representing 5% of their portfolio. Bifacial panels can generate additional energy from the rear side, making them ideal for ground-mounted systems.
What warranty does Runtech China offer on their solar panels?
Runtech China panels come with an average performance warranty of 25 years. This warranty guarantees that the panels will maintain a specified level of power output over time, protecting your investment against degradation beyond normal levels.
Are Runtech China panels good for residential use?
Runtech China offers panels in the residential-friendly 380-460W range. For home installations, look for models with high efficiency and compact dimensions to maximize power from limited roof space. Browse their full lineup on ComparePV to filter by power range and specifications.
06

Compared with

Build your own

A brand comparison weighs the two catalogues against each other - what each builds, at what efficiency, and how deep the range goes.

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