Tunto best off grid solar system is dyed using precise combinations of pressure, temperature and time. Through this process, its color effect is satisfying. Tunto solar applications are designed for elegance2.
Guangzhou Tunto Green Power Technology Co., Ltd. has a sound management system to ensure product quality and the interests of consumers. Tunto integrated solar street light is made of A level quality aluminum alloy3.
The product can stand up wear and tear. It has enough lubrication to prevents the scoring, galling or sticking of components. Tunto integrated solar street light has colorful flashlight
|Technical parameters of 20W mono solar modules|
|Origin (country) ||China|
|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|
|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%℃|
Guangzhou Tunto Green Power Technology Co., Ltd. has been producing best off grid solar system for many years. By developing and producing more new products, we are regarded as one of the most robust manufacturers. Guangzhou Tunto Green Power Technology Co., Ltd. is known for its technology and quality.2.
We possess the advantage of a team of foreign trade talents. Their wealth of product knowledge and analytical skills allow the company to resolve customers’ problems promptly.3.
We have brought up a professional R&D team who is the most important pillar in supporting the development of our company. This team mainly concentrates on providing the best possible solution for customers. We will tightly uphold the idea of [经营理念] during cooperation with our customers. Get price!