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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 is remembered deeply mainly because its outstanding feature of polycrystalline solar panel. There is no residual glue after stripped off
Guangzhou Tunto Green Power Technology Co., Ltd.'s design for portable solar panels for sale has always been following the concept - striving for first-rate. Containing no harmful glue, it is safe to use
polycrystalline solar panel is characterized by delicate design, logic structure and good polycrystalline solar panel performance.
polycrystalline solar panel is produced by safe and environmentally-friendly raw material. There is no residual glue after stripped off
With the high quality material, portable solar panels for sale is more durable. The product, with strong adhesive holding power, can withstand heavyweight
The product is able to withstand strong wind power. Adopting the bar tensioning system, it has a more stable structure. It has the advantage of good breaking strength
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