Specifications

Hot selling! 270W Mono Solar Panel
1) high efficency
2) easy to install
3) stand heavy rain and snow
4) lower price

                                                         270W Mono Solar Panel   with best price

 

270W Mono Solar Panel  Typical Electrical Characteristics 

 

  

Characteristics		RSM156M-270	RSM156M-280	RSM156M-290	RSM156M-300	RSM156M-310
Maximum power at STC (Pmax)		270Wp	280Wp	290Wp	300Wp	310Wp
Open-Circuit Voltage(Voc)		43.7V	44.0V	44.5V	45.0V	45.5V
Optimum Operating Voltage(Vmp)		35V	35.3V	35.6V	35.9V	36.3V
Short-Circuit Current (Isc)		8.4A	8.58A	8.80A	9.09A	9.20A
Optimum Operating  Current(Imp)		7.72A	7.93A	8.14A	8.35A	8.53A
Module Efficiency		14.75%	15.25%	15.75%	16.50%	17.25%
Solar Cell Eficiency		15.50%	16.00%	16.50%	17.25%	18.00%
Operating Temperature	-40°C to + 85°C
Maximum System Voltage	1000V DC
Seriec Fuse Rating	20A
Power Tolerance	±1.5%
STC : Irradiance 1000W/m² , Module temperature 25°C,AM=1.5
			Mechanical Characteristics
			Solar cell	Mono -crystalline 156×156mm (6inch)
			No.of cells	72(6×12)
			Dimensions	1950×990×50mm
			Weight	28kg
			Front Glass	3.2mm tempered glass
			Frame	Anodized aluminium alloy
			Junction Box	PV-RH701 (TUV)
			Temperature Coefficents
			Temperature Coefficents
			Nominal Operating Cell Temperature (NOCT)                        45±2°C
			Temperature Coefficent of Pmax                            -(0.47±0.05)%/°C
			Temperature Coefficent of Voc                               -(0.34±0.01)%/°C
			Temperature Coefficent of Isc                               -(0.055±0.01)%/°C
			WARRANTY
			Manufacturing		8years
			Power production		90% =12 years
					80% =25 years

 

 

Factory Picture Show

 

 

 

 

Certifications picture show

 

 

 

 

Frequently Asked Questions

 

 

1. What is the brand for this 280W solar panel?

 

 ---RISUN solar, we are the manufacturer of this 280W solar panel, small order is available, wholesales is welcomed

 

2. What kind of Solar Cells does it have?
---Polycrystalline 156*156mm.

 
3. Is the front panel Glass or Plastic?
---Tempered glass 3.2mm thickness, Light transmittance up to 95%.

 
4. Does it meet Europe Standards for Solar Energy?
---This is TUV approval products, all the producing procedure apply TUV&CE.

5. What is the Nominal Voltage?
---18V, so it can charge 12V battery., if you want 36V, so you can charge 24V battery, just loose the cable from the solar panel and connect them in series, if you not sure what to do, just mail us.

6. What is the Warranty Period, How many years? 
---5 years; 90% output in 10 years, 80% output in 20 years; 25 years life span.

 

 

 

We will do our best to take care of you and if you have any questions please do not hesitate and feel free to contact us .