The solar panels we are currently using is from CSG PVTech Co.,Ltd.. Relying on strict quality management, capable cost control and constant technology innovation, CSG has become one of the leading manufacturers of architectural energy-saving glass with the largest scale and highest reputation.

High Efficiency Polycrystallline Solar Modules:

Warranty:

• Product: 5 years
• Power production:
  • 90% 10 years
  • 80% 25 years

Specification:

Typical Electrical Characteristics

Max-power:	280Wp
Power Tolerance:	+-3%
Voltage at Pmax (Vmp):	36.4V
Current at Pmax (Imp):	7.70A
Open-Circuit Voltage (Voc):	44.5V
Short-Circuit Voltage (Isc):	8.28A
Max-System Voltage (VDC):	1000V(IEC), 600V(UL)
Cell Efficiency:	16.2%
Module Efficiency:	14.4%
Number and type of cells:	72 pcs. Multi-Crystalline Silicon(6 * 12)
No. of Bypass Diodes (pcs.):	3
Max. Series Fuse (A):	15A
Temperature Coefficient of Pmax:	-0.48%/°C
Temperature Coefficient of Voc:	-0.34%/°C
Temperature Coefficient of Isc:	0.02%/°C
Nominal Operating Cell Temperature:	47+-2°C

Mechanical Characteristics

Cable type, Diameter and Length	ᶲ = 4 mm2 , L=900 mm, TUV certified
Type of Connector	MC4, Compatible type IV, Plug & Play Connectors
Dimension A * B * C	1956 * 992 * 50 mm (77.01 * 39.06 * 1.97 in)
Weight	23.2kg (51.0 lbs)
No. of Draining Holes In Frame	16
Construction	Glass: High Transmission, Low Iron, Tempered Glass 3.2 mm Encapsulation: EVA Back side: Tedlar, white
Junction Box	IP 65 Rated
Frame	Clear anodized aluminum alloy type 6063T5 frame

Qualification Test Parameters

Dielectric Insulation Voltage	3000 VDC max
Operating Temperature	-40 to +85
Max load	5400 pascals
Hailstone impact	25 mm (1 inch) at 23 m/s (52 mph)

Packaging Configuration

Packaging Configuration	20 pcs./box
Quantity/Pallet	1 box/pallet
Loading Capacity	440 pcs./40 ft

STC Conditions (1000 W/m²; 1.5 AM and 25 °C Cell temperature)

Features

• Highest quality that can only be achieved by an integrated manufacturing process
• 25 year quality warranty
• UL, IEC & TUV certificates meet the requirements of each specific region
• High quality performance enables multipurpose applications
• Good mechanical strength