Longi Solar LR6-60PE-315M Solar Panel

Description

The Longi LR6-60PE-315M PERC solar module is a high-efficiency solar module from the Chinese company Longi Solar. The company is known as one of the industry leaders. It specializes in manufacturing high-quality photovoltaic products. Year after year, the company makes the Tier 1 list, a special ranking of the largest solar panel manufacturers.

This solar module has high-quality technical specifications that set it apart in the market. The Longi LR6-60PE-315M is made of monocrystalline solar cells, making it more efficient than its polycrystalline counterpart. The solar module has a power output of 315 W. This solar panel model is designed using PERC architecture, which increases the module’s overall efficiency by reflecting charge back toward the bottom aluminum grid via a dielectric layer. The maximum system voltage must not exceed 1,500 V. 

Regarding technical specifications. The open-circuit voltage is 40.4 V, and the short-circuit current is 10.14 A. The voltage and current at maximum load for the photovoltaic module are 33.1 V and 9.52 A, respectively. The photovoltaic module’s operating efficiency is 19 %, which is a fairly high market figure. Another feature of this photovoltaic module is its low temperature coefficient of power, which is -0.370 %/°C. This means that when the photovoltaic module is heated by 1 degree above its normal operating temperature (45 °C), it will lose a corresponding (0.37 %) percentage of its total power output. The temperature coefficients for voltage and current are -0.300 %/°C and 0.060 %/°C, respectively. 

Physical dimensions of the photovoltaic module: 1 m 664 mm / 996 mm / 30 mm. The module weighs 22.4 kg. The front of the solar panel is covered with protective, tempered glass that is 30 mm thick. It can withstand hailstones up to 2 cm in diameter. The frame is resistant to corrosion and scratches because it is made of anodized aluminum. In addition, it is quite lightweight. 

The operating temperature range for the photovoltaic module is -40 to +85 °C. The power output may vary upward by 0–5 W. 

The manufacturer guarantees a service life of approximately 30 years for the panel. It is worth noting that after 10 years of operation, the photovoltaic module loses only 8 % of its rated power, whereas the industry standard anticipates a power loss of 10% after 10 years of use.  After 20 years of operation, the difference in power loss between standard panels and Longi photovoltaic modules is 4.95 %.