Longi Solar Panels
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Longi Solar Panels, Nearly Three Decades of Top Manufacturing
Longi Solar Technology has been manufacturing photovoltaic modules since 2000 and has grown into one of the highest-volume module producers in the world, built around a vertically integrated supply chain that runs from raw silicon wafers through to the finished panel. That scale earns Longi a Bloomberg Tier 1 ranking, a distinction held by only a fraction of global panel manufacturers, and its panels have been through more independent test cycles than most brands see in a decade.
Volteam stocks Longi’s monocrystalline PERC range for exactly this reason: it pairs proven manufacturing discipline with pricing that sits below the newest premium panel technology, without cutting corners on materials or warranty terms. A local North Sydney office backs the range with Australian support, so a warranty question or a claim never has to cross a time zone.
Longi brings global manufacturing scale to a panel priced for the average Brisbane roof.
Who Longi Solar Panels Are Best For
Homeowners upgrading on a budget
Competitive PERC pricing without dropping below Tier 1 manufacturing standards.
North-facing or reflective roofs
Bifacial cells capture extra energy off light-coloured roofing, gravel, or nearby paving.
Small commercial and C&I sites
Rated for ground-mount and larger commercial installs, not just rooftop residential.
Hot Queensland climates
Low operating current and PID resistance keep output stable through summer heat.
about Longi solar panels
Longi LR4-72HBD 440W solar panel
The LR4-72HBD is the Longi panel Volteam installs most, a 440W bifacial module built on low-LID monocrystalline PERC technology. Its front face performs in line with standard mono PERC panels, while the rear face adds up to 25% more energy by capturing light reflected off the roof and surrounding surfaces.
A glass/glass lamination gives the panel a rated 30-year lifespan, and Longi backs the cells with a 12-year warranty on materials and workmanship plus a 30-year linear warranty on power output. Half-cut cell construction and a lower operating current reduce resistive losses and improve resistance to potential-induced degradation (PID), so the panel holds its output for longer in real conditions.
| Capacity | 440W |
| No. of Cells | 108 |
| Maximum Efficiency | 20.2% | Dimensions | 2094 x 1038 x 35mm |
| Warranty | 12-year materials and workmanship, 30-year linear power output |
| Certificates | IEC 61215, IEC 61730, UL 61730, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, TS62941 |
Ready to Add Longi Panels to Your Roof?
The LR4-72HBD backs its 440W output with a 30-year linear power warranty and PID-resistant cells built for Queensland heat. Find out what a Longi system costs installed on your home.
Longi Solar Panels Review
Longi’s panels are one of the more independently tested products in Volteam’s range, and the results back up the reputation. Here’s what stands out to us, having installed Longi across Brisbane:
- Named a Top Performer in PVEL's 2025 PV Module Reliability Scorecard, passing all seven independent stress tests: damp heat, thermal cycling, mechanical stress, hail stress, PID, LID, and LETID.
- Holds a Bloomberg Tier 1 manufacturer ranking, a distinction only a small share of global panel makers achieve.
- Vertically integrated production, from silicon wafer to finished module, gives tighter control over build quality than brands that outsource cell manufacturing.
- Backed locally through Longi's North Sydney office, pairing global manufacturing scale with on-shore support for Australian installers and homeowners.
- Owner reviews average around 4 out of 5, with installers consistently noting straightforward fitting and consistent panel quality.
Efficiency
Performs well in efficiency and output.
Reliability
Sturdy panels that survive harsh conditions.
Value for Money
Great price, even better through Volteam.
Longi Solar Panels Features and Benefits
Bifacial rear-side energy gain
- Captures reflected light off the roof surface, decking, or paving for up to 25% more energy than a front-side-only panel of the same rating.
- Most effective on light-coloured roofing, elevated mounts, and ground-mount arrays with good ground reflectance.
M6 gallium-doped wafer and 9-busbar half-cut cells
- Gallium doping reduces light-induced degradation compared with older boron-doped cells.
- Half-cut cells lower internal resistance and reduce the impact of partial shading on total output.
- The 9-busbar layout improves current collection across the cell surface.
Glass/glass lamination for a 30-year rated lifespan
- Dual-glass construction resists moisture ingress and micro-cracking better than standard glass/backsheet panels.
- Supports the panel's 30-year linear power warranty.
PID resistance and a lower operating current
- Lower operating current reduces resistive losses through the array.
- Cell optimisation reduces susceptibility to potential-induced degradation, a common cause of gradual output loss in humid or high-voltage systems.
Suited to commercial and ground-mount projects
- Rated for ground power plants and large commercial and industrial (C&I) installations, not just residential rooftops.
- Gives Volteam a single panel range that scales from a typical Brisbane home to a small commercial site.
Considering Longi panels for your next system?
Call 1300 865 832 and our team will walk you through whether it’s the right fit for your roof.
Longi Solar Panels: Pros and Cons
A balanced look at where Longi panels lead and where they fall short.
Pros
Bloomberg Tier 1 manufacturer with a PVEL 2025 Top Performer rating across all seven independent tests
Bifacial cells add up to 25% more energy from the rear face
Vertically integrated production for tighter quality control
Competitive pricing relative to newer premium panel technologies
Local North Sydney office for Australian-based support
Cons
20.2% module efficiency trails the newest N-type and back-contact panels in Volteam's range
12-year product warranty is shorter than the 25-year terms some rivals now publish
Some buyers remain cautious about Chinese-manufactured cells despite the brand's testing record
Occasional supply chain delays have affected component availability industry-wide
Weighing Up Longi Against the Rest?
Longi’s bifacial cells pull up to 25% extra energy off the rear of every panel, backed by a PVEL Top Performer rating for 2025. See how that compares against a fixed quote for your roof.
Popular Longi Panel Comparisons
See how the LR4-72HBD stacks up against the other Tier 1 brands Volteam installs.
PROCESS
Our Solar Solutions Process
At Volteam Electric, we make going solar a seamless and enjoyable experience. Here’s a step-by-step guide to our solar solutions process
Step 1
Share Your Details
Step 2
Schedule Site Visit
Next, we’ll arrange an in-person consultation and site visit.
Our team will assess your property and discuss your solar goals, ensuring we understand your unique requirements.
Step 3
Receive a Quotation
After the site visit, we will provide you with a detailed quotation outlining the recommended solar solutions, including costs and potential savings.
Step 4
Confirm Installation Details
Once you’ve reviewed the quotation and are ready to proceed, we’ll confirm the installation date and finalize the price.
We ensure complete transparency, so you know exactly what to expect.
Step 5
Installation
On the scheduled date, our professional team from Volteam Electric will arrive at your property to install your solar system.
We handle all aspects of the installation process with expertise and care.
Step 6
Enjoy the Benefits
Now it’s time to enjoy the benefits of your new solar system! Experience greater savings on your energy bills, and stay in touch with Volteam Electric for any maintenance or repair needs. We’re here to support you every step of the way!
Compare solar and battery
Compare the best solar solutions for your home in one place. Use our tool to evaluate batteries, solar panels, EV chargers, and inverters. Start comparing today!
Why You Should Choose Volteam
Why You Should Choose Volteam Electric
CEC Accredited Solar Installers
Customisable plans
We offer flexible and customisable plans depending on your solar power needs and budget.
30-Day Price Beat Guarantee
Solar Battery Specialists
Take charge of your energy production and gain independence from big energy companies. We also offer upgrades and solutions for solar batteries.
Smart EV Charger Installations
Industry leading support
Our electricians and experts are always ready to answer your concerns and inquiries.
CEC Accredited Solar Installers
Customisable plans
We offer flexible and customisable plans depending on your solar power needs and budget.
30-Day Price Beat Guarantee
Solar Battery Specialists
Take charge of your energy production and gain independence from big energy companies. We also offer upgrades and solutions for solar batteries.
Smart EV Charger Installations
Industry leading support
Our electricians and experts are always ready to answer your concerns and inquiries.
Frequently Asked Questions
Are Longi solar panels any good?
Longi is a Bloomberg Tier 1 manufacturer with a PVEL 2025 Top Performer rating across all seven reliability tests, which puts it among the more heavily tested panel brands on the Australian market. It's a well-proven, mid-to-premium option rather than a budget import.
Is Longi a Tier 1 solar panel brand?
Yes. Longi holds Bloomberg's Tier 1 ranking, a status only a small percentage of the world's panel manufacturers achieve, and specialises in monocrystalline technology across its product range.
Do Longi panels handle Queensland conditions?
Yes. The LR4-72HBD's low operating current and PID resistance are built to hold output steady through heat and UV exposure, and Volteam installs the panel across Brisbane and South East Queensland roofs.
Can Longi panels be paired with a solar battery?
Yes. The panels integrate with any solar battery system Volteam installs, including hybrid setups, so excess daytime generation can be stored and used at night.
How many Longi panels does my home need?
It depends on your electricity usage, roof size, orientation, and shading. Volteam can run a site assessment and size a system around your actual usage rather than a generic estimate.
Get Your Longi Panel Quote Locked In
Longi’s LR4-72HBD panels carry a Bloomberg Tier 1 ranking and a 12-year product warranty as standard. Talk to the team about fitting them to a Brisbane or South East Queensland roof.
Where You'll Find Us in Brisbane
As Brisbane EV charger installers we’re based at Northgate on the northside, and we install across the whole city. Carports in Carindale, garages in Bulimba, apartment parking through the inner north, and the long cable runs you get on the acreage blocks out on the city fringe.
Volteam Electric delivers residential and commercial EV charging across Brisbane, alongside solar power systems, battery storage, and electrical service and maintenance.
Book a free quote for your Brisbane property.
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