The componets of each Tunto portable solar panels for sale are highly designed and matched. The solar applications have been certified under the ISO, CE, ROHS, and SGS2.
Guangzhou Tunto Green Power Technology Co., Ltd. has grown considerably since its foundation. By decreasing the carbon emissions, Tunto solar systems make life more healthy and eco-friendly3.
This product has long and durable service life. Tunto solar garden/plaza light is widely used in garden, plaza, lawns and parks4.
Strict quality inspections are carried out before delivery to increase its qualification ratio. Tunto solar applications have been patented
|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%℃|
Accepted in the market and society, Guangzhou Tunto Green Power Technology Co., Ltd. has many years of experience in producing leading quality portable solar panels for sale .2.
Whenever there is any problems for our off grid solar panel kits, you can feel free to ask our professional technician for help.3.
Tunto has its great goal of influencing the global market of manufacturing monocrystalline solar panel . Contact us!