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Tunto polycrystalline solar panel supplier for street lamp

Tunto polycrystalline solar panel supplier for street lamp
  • Tunto polycrystalline solar panel supplier for street lamp

Tunto polycrystalline solar panel supplier for street lamp

This product features high precision. It can produce an exact result every single time and repeat the exact same task with the same level.
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Enterprise Strength
  • Tunto builds the brand by providing quality service. We improve service based on innovated service methods. We are committed to providing thoughtful services such as pre-sales consulting and after-sales service management.
Application Scope
With wide application, solar light can be used in the following aspects.Tunto has been engaged in the production of solar light for many years and has accumulated rich industry experience. We have the ability to provide comprehensive and quality solutions according to actual situations and needs of different customers.
Company Advantages
1. The raw materials of Tunto polycrystalline solar panel is purchased by our procurement team who often interviews or visits suppliers, strictly verifying the performance of the raw materials.
2. This product features high precision. It can produce an exact result every single time and repeat the exact same task with the same level.
3. This product can perform a large number of risky work in a risky industrial production environment. Therefore, workers are not easily injured or overworked.
4. The product is a cost-effective investment for manufacturers because it does not need frequent maintenance nor repair, which helps to cut costs.
Technical parameters of 20W mono solar modules
Model T2-M20W
Manufacture Tunto
Origin (country) China
Manuf.of CellsTunto
Nominal power Pmax[W] 20
Tolerance [%] ±3%
Kind of cell( mono,poly) Mono
Cells per Module 36(4*9)
Conversion Efficiency 18.5~19
shape of cell "x" mm × mm 78*39
Voltage Mpp Vmp[V] 18V
Current Mpp  Imp[A] 1.11A
Volt Open circuit  Voc[V] 21.42V
Short out current Mpp Isc[A] 1.24A
Max system Volt [V] 1000V
Length [mm] 420
Width [mm] 350
Thickness(without box) [mm] 25
Weight[kg]1.76
kind  of Frame(l,c.alu,none…) Alu
Guarantee on the whole product [years]5 years
Kind of glass and its thickness [mm] AFG 3.2mm
Temperature Coefficient Current Isc mA/ +0.08%
Temperature Coefficient Voltage Voc mV/ -0.37%
Temperature Coefficient Power Pmax/ -0.44%



Company Features
1. Guangzhou Tunto Green Power Technology Co., Ltd. is among the first professional manufacturers in China.
2. Establishing a quality management system is the basic guarantee for achieving the Tunto quality policy and quality objectives.
3. Guangzhou Tunto Green Power Technology Co., Ltd. is known as a trustworthy polycrystalline solar panel supplier. Inquire! Guangzhou Tunto Green Power Technology Co., Ltd. takes becoming the world's top brands as the goal. Inquire!
Tunto polycrystalline solar panel has been tested according to electrical regulations. It is tested in terms of radiated emissions, radiated susceptibility, ESD (electrostatic discharge), electrical transients, etc. Produced by the unique technologies, it has an ice cutter which has a long lifespan
Tunto polycrystalline solar panel is produced under different advanced technologies. According to different requirements, modern 3d weaving technology, electrostatic nanotechnology or non-woven technology can be used for processing. The product has a highly precise control system
Tunto polycrystalline solar panel is produced after a series of processes. It will go through material preparation, parts' cutting, stamping, forging, honing, and surface polishing and painting. Its configuration is reasonable and the insulation performance is superior
The quality of Tunto polycrystalline solar panel is guaranteed by various standards that it has passed. It is manufactured in line with requirements for different aspects of GB/T and JB/T. The product is safe and environmentally friendly
Tunto polycrystalline solar panel has passed basic physical tests such as tensile properties, elongation, rubbing fastness, bending, stitch tear, and tongue tear strength. It can cool down the substances at a very fast speed
The product is rather reliable in quality and can be used for a long time. It is of compact design, which occupies small space
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