One of the best modules manufactured by Q Cells is the Q.Peak Duo BLK ML-G9, which is a 132 half-cell Mono-PERC solar panel featuring a sleek all-black design, a peak efficiency of 20.3%, and up to 385 W power output, making it one of the most powerful residential solar panels currently available.

Q Cells is a Tier 1 company that produces durable, mid-to-high range solar modules for residential, commercial and industrial use.

As one of the largest photovoltaic manufacturers in the world, the company provides incredible services to its customers in the utility, government and residential markets.

This BLK ML-G9 solar panel system review will cover everything you need to know about these solar panels – from their technology to performance and pricing. 

What is the Q Cells BLK ML-G9?

Made with Q.ANTUM Duo Z technology, the Q Cells BLK ML-G9 solar panel is one of the best modules in the market. It’s designed to address the needs of residential households and industrial and commercial buildings, which demand the best yields in enclosed spaces.

The panel’s breakthrough Q.ANTUM Duo Z technology provides up to 18.5% more electricity all year, even when the sun is low on the horizon in winter. The Q.Peak Duo BLK ML-G9 features Anti-LID Technology, Hotspot Protect, Anti-PID Technology, and Traceable Quality Tra.Q, all of which enable long-term yield security.

The BLK solar panels are produced by Q Cells, a US-Canadian company that has partnered with Instyle Solar!

black solar panel under red and gray clouds

Q Cells photovoltaic solar panels are engineered in Germany and headquartered in South Korea. However, they have an extensive network all over the globe, with facilities located in Germany, Korea, China, and Malaysia.

The Q.Peak Duo BLK ML-G9 modules have a power output range of 365 to 385 Watts, with efficiency up to 20.3%. 

Q Cells BLK ML-G9 Solar Panel Range 

Q Cells BLK ML-G9 has a panel electricity range of 365-385 W. It’s ideal for those seeking high efficiency ratings at a low cost. 

The BLK ML-G9 is currently available in five power classes:

  • Q.Peak Duo BLK ML-G9 365,
  • Q.Peak Duo BLK ML-G9 370,
  • Q.Peak Duo BLK ML-G9 375,
  • Q.Peak Duo BLK ML-G9 380, and
  • Q.Peak Duo BLK ML-G9 385.
black and white concrete building

BLK ML-G9 Solar Panel Technical Specifications 

Format1,840 mm × 1,030 mm × 32 mm (including frame)
Weight19.5 kg
Front Cover2.8 mm thermally pre-stressed glass with anti-reflection technology
Back CoverComposite film
FrameBlack anodised aluminium
Cell6 × 22 monocrystalline Q.ANTUM solar half-cells
Junction box53-101 mm × 32-60 mm × 15-18 mm Protection class IP67, with bypass diodes
Cable4mm² Solar cable; (+) ≥ 1,200 mm, (−) ≥ 1,200 mm 
Connector Stäubli MC4, Hanwha Q Cells HQC4; IP68

What is the Q Cells BLK ML-G9 Solar Panel’s Power Output?

The BLK ML-G9 solar panel’s power output can reach 385 W.

It is one of the most advanced monocrystalline solar modules in Q Cells’ arsenal.

black and white solar panels

What is the Q Cells BLK ML-G9 Solar Panel’s Efficiency?

The BLK ML-G9 solar panel’s efficiency can reach up to 20.6%.

Q Cells has incorporated Mono-PERC half-cut solar cells with multi-busbars into all its next-generation panels, increasing efficiency levels throughout the range.

What is the Q Cells BLK ML-G9 Solar Panel’s Temperature Coefficient? Will it Perform Well in Australian Weather?

The BLK ML-G9 has a low temperature coefficient of −0.27 % / °C.

With this figure in mind, it will perform satisfactorily in Australia; Q Cells has ensured its solar panels are well-suited for Australian climate conditions.

What is the Q Cells BLK ML-G9 Solar Panels’ Country of Origin?

The Q Cells solar panels originated in Germany. The company’s products are engineered in the company’s German facility at Talheim. However, the solar panel maker has manufacturing facilities in China, Malaysia, South Korea, and the U.S.

Will the Q Cells BLK ML-G9 Solar Panel Look Good on My Home?

man in white dress shirt and blue denim jeans sitting on white and black solar panel

Yes, these solar panels will look very pleasing on your home. Their all-black appearance will certainly catch the eyes of onlookers. If you have a dark roof, the BLK ML-G9 will blend into it seamlessly for a subtle curb appeal.

The Q Cells G9 series provides the best energy solutions for all spaces

Q Cells BLK ML-G9 Solar Panel Key Features 

Below is a summary of the ML-G9’s main highlights:

  • Q.ANTUM Duo Z technology with a zero-gap cell arrangement that breaks the 20% efficiency barrier, bringing the efficiency up to 20.6%.
  • Optimal yields under all conditions, with outstanding temperature behaviour.
  • Anti-LID Technology, Anti PID-Technology, Hot-Spot Protect, and Traceable Quality features.
  • Sturdy aluminium alloy frame approved for high snow and wind loads (6,000 Pa) (4,000 Pa).

What is the Q Cells BLK ML-G9’s Warranty?

The BLK ML-G9 solar module has a 12-year product warranty and a 25-year linear performance warranty. 

A 12-year warranty protects your panel from potential manufacturing flaws. A 25-year warranty guarantees that your panel will continue to produce at least 83% of its stated output levels.

Is the Q Cells BLK ML-G9 a Tier 1 Solar Panel?

The Q Cells BLK ML-G9 is considered a Tier 1 solar panel.

Since the company is known as one of the best solar panel manufacturers in the world, this recognition makes the Q Cells BLK ML-G9 a Tier 1 solar panel.

For a brand to achieve Tier 1 manufacturer status, it needs to have a solid industry reputation, state-of-the-art facilities, and have been manufacturing solar panels for at least five years. That is, Tier 1 manufacturers have the capacity to produce quality and reliable panels.

Is the Q Cells BLK ML-G9 a CEC-Approved Panel?

Yes, the BLK ML-G9 is a CEC-approved panel.

In addition to being a Tier 1 company, all of Q Cells’ solar panels are CEC-approved and authorised for use throughout Australia.

Is the Q Cells BLK ML-G9 Safe and Reliable?

Q Cells carry out stress tests for solar systems per IEC TS 63209. These tests determine the reliability and endurance of the panels. The BLK ML-G9 can handle heavy snow loads up to 6,000 Pa, and wind loads up to 4,000 Pa. 

The company’s solar cells undergo 600 cycles with temperatures ranging from -40 °C to +85 °C within 15 weeks. This is three times harder than the IEC test TC 200 and ensures the highest level of safety

We can confidently say that the BLK ML-G9 solar power panels are dependable assets since they come from a company with over twenty years of expertise in the market.

gray concrete house

Advantages and Disadvantages of the Q Cells BLK ML-G9 

For easy reference, here is a synopsis of the benefits and drawbacks of purchasing a BLK ML-G9 panel: 


  • Fast payback time due to high solar output levels.
  • A solid long-term investment based on the manufacturer’s warranty length.
  • Quality assurance of buying from a Tier 1 solar panel company.


  • Higher upfront costs due to the product’s premium specs.

Q Cells BLK ML-G9 Installation

The installation of this module is straightforward; however, precautions should be taken while they’re being installed. 

The process requires professional skills and should only be installed by experts for safety reasons.

In general, the installation of a photovoltaic system by a professional installer takes 1-2 business days.

You can take advantage of the services offered by reputable solar installers, like Instyle Solar, as this is the only way to guarantee a quality, safe and reliable solar installation.

Q Cells BLK ML-G9 Compatibility with Inverters

Numerous inverters and other photovoltaic system components are compatible with these solar panels.

This is the case whether you intend to use single-phase or three-phase inverters.

These panels’ solar cells are made from an innovative technology that works with charge controllers and batteries.

Is the Q Cells BLK ML-G9 Worth it for Your Home? Our Opinion

Yes, Q Cells’ BLK ML-G9 is definitely worth the investment, as it’s one of the best-performing solar power panels you can buy.

With its power production capacity, you can buy fewer solar panels, and their all-black aesthetics will blend in nicely with your roof. 

To summarise, this panel is an excellent choice for anybody looking to install solar electricity.

Next Steps…

If you’re thinking about installing the Q Cells BLK ML -G9 module, then use our smart solar calculator to see the value of installing solar.

Click here to calculate your solar savings!

Join over 20,000 homeowners who have made the switch with Instyle Solar or the 1,000+ positive reviewers who are happy with their solar install.

You can also contact us on 1300 133 556 or email us at

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