LONGi Vs Trina/Which panels are better? (2024)

Both LONGi vs Trina Solar Panel manufacture level 1 solar panels and are considered very reputable companies in the solar industry. However, when you compare two particular models, one from each manufacturer, you can spot the differences and make an educated choice on which solar panel to select for your project. Trina Solar 390 Wp panels can be considered better as they give more power per module than LONGi 350 Wp panels. The cost of the solar panel is another key choice-making factor when choosing to choose one of the two solar panels. This article explores the difference between the panels based on control, product and system certificates, efficiency, and dimensions of the solar panels.

Longi vs Trina Solar Panels Overview solarpriceza.com

Longi Solar Panel

Longi Solar was established in 2000 and has a yearly working income of 8.41 billion USD. The solar company is headquartered in Shaanxi, China, and supplies more than 30 GW of high-efficiency solar wafers and modules around the world, almost a quarter of worldwide market requests. LONGi produces monocrystalline silicon wafers and modules and delivers solutions for distributed and ground mount control systems.

Longi Solar – LNG-LR6-600PH0350M

Solar panel Longi modules are highly efficient and reliable, they are demonstrated to have a normal cell efficiency of 20%. The most advanced module manufacturing technologies are connected to get lower LCOE (Levelized Cost of Energy), great execution at Light Actuated Corruption (Top) and to guarantee the control era and speculation income for customers. The solar panel comes with system and product certifications counting IEC 61215 and IEC 61730. Solar panels have a 12-year product guarantee covering materials and processing and a 25-year direct control output guarantee. Annual degradation is less than 2% in to beginning year (light-induced corruption losses) and 0.55% from year 2 to 25.

LONGi Solar warranties solarpriceza.com

The solar panel has a length of 1,762 mm and a width of 994 mm. The panel weighs 19 kg and is 35 mm thick. The solar frame can withstand snow loads of up to 5,400 DAD on the front and wind loads of up to 2,400 DAD on the rear side. The cell introduction is 6 parallel and 2 series. The Junction box is IP67 rated, and the output cable size is 4mm2 in cross-section. 3.2mm coated tempered glass is used to protect the solar cells. The solar panel has an operational temperature between -40°C to +85°C. The power output resilience is 5 W, the maximum system voltage is 1,500 VDC and the maximum series fuse rating is 20 A.

Solar panel size solarpriceza.com

Trina Solar Panel

Trina Solar was established in 1997 and has an annual working income of 4.26 billion USD. The solar company is headquartered in Changzhou, China, and has provided more than 70 GW of solar modules worldwide. As a vertically integrated company, Trina Solar guarantees the strictest standards of quality for PV systems over the whole supply chain.

Trina Solar – TSM-DE-390W

Solar Trina modules are efficient and reliable, they are proven to have a normal cell efficiency rate of 19.2%. Solar uses multi-busbar technology combined with mono PERC cells to have a higher control output. The solar panel has gotten reliably tall bankability ratings from BNEF (Bloomberg Modern Energy Back), banks, and investors. The panels are highly reliable as they experience over 30 in-house tests, numerous of which go past certification requirements. In addition, the panels are certified to withstand challenging natural conditions covering solar fog corrosion, smelling salt erosion, and blowing sand. Solar panel comes with complete system and item certifications counting IEC 61215 and IEC 61730. The solar panels come with a 10-year product workmanship guarantee and a 25-year direct power output guarantee.

Trina Solar warranties solarpriceza.com

The solar panel has a length of 2,024 mm and a width of 1,004 mm. The board weighs 22.8 kg and is 35 mm thick. The solar outline can withstand snow loads of up to 5,400 DAD on the front and wind loads of up to 2,400 DAD on the raised side. The Junction box is IP68 rated, and the output cables are 4mm2 in cross area. 3.2mm coated tempered glass is used to protect the solar cells. The solar panel has an operational temperature of -40°C to +85°C. The maximum system voltage is 1,500 VDC and the greatest series fuse rating is 20 A.

Trina Solar panel size (source - data sheet) solarpriceza.com

Comparison LONGi vs Trina Solar Panel

Electrical characteristics
SpecificationLONGi 350WpTrina 390 Wp
Maximum power (Pmax)350390
Open circuit voltage (Voc)38.548.5
Short circuit current (Isc)11.8110.3
Voltage at maximum power (Vmp)31.840
Current at maximum power (Imp11.019.75
Module efficiency (%)20%19.20%

The over-electrical characteristics are observed at standard test conditions (STC) of 1,000 W/m2, a cell temperature of 25C. The solar panel from Trina has a higher maximum control rating than the solar panel from LONGi. However, LONGi has a higher efficiency than Trina at STC.

Product and system certificates
SpecificationLONGi 350WpTrina 390 Wp
IEC61215 (Design and Qualification approval)YesYes
IEC61730 (Global standard for PV module safety)YesYes
ISO9001 (Quality management system)YesYes
ISO14001 (Environment management system)YesYes
OHSAS18001 (Occupational health and safety)YesYes

The solar panels from Trina Solar have all the things and system certificates that LONGi has and in addition, Trina moreover has UL1703, IEC61701, and IEC62716 certificates, making Trina Solar more reliable than LONGi. Both Trina and LONGi offer a 25-year linear power performance warranty, however, LONGi in addition offers a 12-year product warranty as opposed to 10 years offered by Trina. 

Product Warranty
SpecificationLONGi 350WpTrina 390 Wp
Product Warranty1210
Liner power performance warranty2525
Mechanical characteristics
SpecificationLONGi 350WpTrina 390 Wp
Solar cellsMonocrystallineMonocrystalline
Module dimensions (mm)1762 x 994 x 352024 x 1004 x 35
Weight (kg)1922.8
Glass3.2 mm coated tempered glass3.2 mm coated tempered glass
Encapsulant materialEVAEVA
Back sheetWhiteWhite
Frame35 mm anodized aluminum body35 mm anodized aluminum body
J-boxIP67 ratedIP68 rated
Cables4.0mm24.0mm2
ConnectorMC4TS4

The notable difference in mechanical characteristics lies in the dimensions and weight of the solar panels. As Trina panels have more power. Their dimension and weight are much higher compared to LONGi. Most of the other parameters are similar. However, Trina offers an IP68 rating on the junction box as opposed to IP67 by LONGi. 

Maximum ratings
SpecificationLONGi 350WpTrina 390 Wp
Operational temperature-40 to 85C-40 to 85C
Maximum system voltage1,500 Vdc1,000 Vdc
Max series fuse rating20 A20 A
Snow load5,400 Pa5,400 Pa
Wind load2,400 Pa2,400 Pa

The maximum ratings are the same for both brands of solar panels. CLICK HERE:

Decision LONGi vs Trina Solar Panel

Both Trina Solar and LONGi Solar are level 1 manufacturers. Tier 1 solar manufacturers use the best grade of silicon to produce solar cells. The higher the silicon grades the better the solar panel will perform. The solar panels from both providers are similar in many ways. However, the key differences can be summarized as follows:

  • Solar panel from Trina packs more control into the module
  • LONGi offers a longer product warranty than Trina
  • LONGi has better efficiency at STC
  • Trina panels are heavier and slightly larger than LONGi

Conclusion:

Longi-Trina solar panels are a smart speculation for anybody looking to saddle control of the sun. With their tall efficiency, durability, progressed technology, positive natural effect, and flexible applications. They are the perfect choice for anyone looking to make the switch to clean energy.

FAQ’s:

Which solar panel is better, Trina or LONGi?

The solar panel from Trina has a higher maximum control rating than the solar panel from Longi. However, Longi has a higher efficiency than Trina at STC.

Are LONGi solar panels good?

LONGi solar panels are a great choice. No wonder why they landed the number six spot on our best 10 solar manufacturers list for 2024. LONGi is a reputable solar module manufacturer with high-quality panels and a strong review score of 4 out of 5 on Solar Reviews.

Are Trina Solar panels good?

If you’re trying to strike a balance between cost and performance, Trina Solar’s panels are a safe bet for your home. Overall, Trina Solar offers above-average solar panels at a below-average cost. While they may not be as efficient as SunPower, they’re not too far behind.

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