Specifications

280w poly solar panel
1) high efficency
2) easy to install
3) stand heavy rain and snow
4) lower price

280W Poly Solar Panel Technical Data:

 

1. Specifications

 

Cells	Polycrystalline silicon solar cells 156x156mm
Number of cells	72(6×12)
Dimensions (mm)	1950 x 990 x 50mm
Weight (kg)	28

 

2. Electrical Characteristics

 

Model	RSM72-156P/260W		RSM72-156P/270W		RSM72-156P/280W		RSM72-156P/290W
Max Power Pm(W)	260		270		280		290
Max Power Voltage Vm (V)	34.8		35.1		35.2		35.4
Max Power Current Im (A)	7.47		7.7		7.96		8.19
Open-Circuit Voltage Voc (V)	44.2		44.6		44.8		44.9
Short-Circuit Current Isc (A)	8.10		8.22		8.35		8.60
Cell Efficiency(%)	14.8		15.4		16.0		16.6
Module Efficiency(%)	13.9		14.4		15.0		15.5
Maximum System Voltage (V)	DC 1000(TUV) / DC 600(UL)
Power Tolerance(%)	0~+3
Series Fuse Rating (A)	15

 

3. Components & Mechanical Data

 

Front Glass	High Transparency Tempered Glass, 3.2mm
Junction Box	Pass the TUV Certificate PPO(black/IP65)
Output Cables	4mm2/0.9m
Connectors	MC4(UV resistance and self-locking/IP67)
Frame	Anodized aluminum alloy type 6063-T5
Encapsulation Material	EVA (0.50 ± 0.03mm thickness)
Back Foil	White TPT (0.32 ± 0.03mm thickness)
Fixing adhesive	Silicone Sealant(White)
Temperature Range(°C)	-40°C to +90°C
Max Load(Kpa)	2.4 wind load / 5.4 snow load
Temperature Range(°C)	-40°C to +90°C

 

 4.Temperature Coefficients

 

NOCT (°C)		47±2
Temperature Coefficient of Pm (%/°C)		-0.45±0.05
Temperature Coefficient of Isc (%/°C)		0.05±0.01
Temperature Coefficient of Voc (%/°C)		-0.35±0.02

 

 

 

Quality assurance testing

 

 

Thermal cycling test

 

Thermal shock test

 

Thermal/Freezing and high humidity cycling test

 

Electrical isolation test

 

Hail impact test

 

Mechanical, wind and twist loading test

 

Salt mist test

 

Light and water-exposure test

 

Moist carbon dioxide/sulphur dioxide

 

 

Solar Panel Pictures show

 

 

 

 

 

 

 

 

 

Factory Picture Show

 

 

 

 

 

Packing Picture Show

 

 

 

 

 

 

Certification Show Picture

 

 

 

 

Payment Safety

 

 

 

Payment term: 20% advanced as deposit by T/T or L/C, the rest payment paying after received B/L copy.

 

  

 

For Escrow payment, need 6 steps

 

 

 

1,you place the order on the page.

 

 

 

2,once we received your order information, we will make a contract via Alibaba(include price, quantity, manufactory necessary documents information).

 

 

 

3,Once you received contract, and if you are agree with the contract, you make the payment to Alibaba's bank account.

 

 

 

4, we prepare the cargos and shipping on time, providing B/L copy, insurance copy, test report, packing list, Invoice to you by E-mail.

 

 

 

5, give Alibaba a message for money release when you received all documents (B/L copy, insurance copy, test report, packing list, Invoice) .

 

 

 

6, we send the original B/L, insurance, test report, packing list, Invoice to you by express immediately.

 

 

 

7, Complete our business, you have rights complaint to Alibaba if something not satisfy your demand within 2 months, because we are Alibaba Assessed Supplier and Bureau Veritas verify company