Description
LONGi Solar is the world’s largest monocrystalline solar panel manufacturer by shipment volume, a distinction earned through consistent quality, aggressive R&D investment, and a supply chain that spans from silicon ingot production to finished module. The LR4-72HPH-455M is their flagship 72-cell PERC half-cut module, and buying a full pallet of 30 units provides 13.65kWp of high-quality solar generation capacity.
For commercial rooftop installations, small-scale embedded generation projects, and large residential systems in the 10–20kW range, buying by the pallet reduces the per-panel cost significantly compared to individual unit pricing, with the added benefit of matched panels from the same production batch — ensuring consistent IV characteristics across strings for optimal MPPT performance.
The LONGi 455W panel achieves 20.7% module efficiency using half-cut PERC cells on a 72-cell substrate. Half-cut cells provide better shading tolerance and lower operating temperature compared to full-cell equivalents, contributing to better real-world performance in South Africa’s high-temperature environment. LONGi’s linear power warranty guarantees 80.4% of nameplate power after 25 years — one of the lowest degradation curves in the industry.
A 30-panel 13.65kWp array pairs well with 12–16kW hybrid inverters from Deye, Sunsynk, or Fronius, and a battery bank of 20–30kWh. Contact End Loadshedding for system sizing guidance before ordering.
Tania Fourie (verified owner) –
Panels are performing well
The Longi solar panel is performing well. Solar output has been good on clear days and the panels look like proper quality.
Sibusiso Nkosi (verified owner) –
Great quality panels
The panels are doing what they should. Good output and neat quality when installed.
Tamryn Manuel (verified owner) –
Solid panels
The panels are doing what they should. Good output and neat quality when installed.
Carina Nel –
Good solar panels
The panels are doing what they should. Good output and neat quality when installed.
Ayanda Sithole (verified owner) –
Great quality panels
Good solar panels for the price. They work nicely in full sun and are a solid option for a home system.
Asanda Cele (verified owner) –
Panels are okay
Happy with the panels. They produce well during the day and suit a backup solar setup. It does the job, but check that it suits your setup first.
Andile Mkhwanazi (verified owner) –
Works well in the sun
Good solar panels for the price. They work nicely in full sun and are a solid option for a home system. Good buy, nothing serious to complain about.
Keenan Daniels (verified owner) –
Good value
Solid solar panel option. Good for adding more daytime production to a system. Delivery could always be faster, but the product itself is good.
Melissa van Heerden –
Panels are performing well
Good value panels. They help reduce grid use during the day and work well with the inverter.
Vusi Shabalala –
Good panels overall
Good value panels. They help reduce grid use during the day and work well with the inverter. Only giving four stars because I still want to see how it performs long term.
Musa Mthethwa –
Good solar panels
The Longi solar panel is performing well. Solar output has been good on clear days and the panels look like proper quality.
Naledi Radebe –
Works well in the sun
Happy with the panels. They produce well during the day and suit a backup solar setup. Very happy overall, just leaving room after more time in use.
Gerhard Fourie (verified owner) –
Solid panels
Happy with the panels. They produce well during the day and suit a backup solar setup.
Shane Petersen (verified owner) –
Panels are performing well
Good solar panels for the price. They work nicely in full sun and are a solid option for a home system.
Morné Pretorius (verified owner) –
Good solar panels
Solid solar panel option. Good for adding more daytime production to a system.
Banele Gumede (verified owner) –
Works well in the sun
The Longi solar panel is performing well. Solar output has been good on clear days and the panels look like proper quality. Delivery could always be faster, but the product itself is good.