A) High efficency crystalline solar cells.
B) less power decrease, lifetime more than 25 years.
C) highest quality marerials ensure have a best performance of preventing form atrocious wearher.
D) good appearance even no color diffirence within the module.
E) strict quality control completely according to quality systems.
F) reasonable price and good service.

The following is detials:
Cells Size: Monocrystalline Silicon Solar Cells: 156 mm X 156 mm
No. Of cells and connections: 60 (6X10)
Dimension: 1640 X 992 X 50 mm
Weight: 21 Kg
Operating temperature: (-)40 to (+)85
Maximum system voltage: 1000 VDC

Model: DPM-235, DPM-230, DPM-225, DPM - 220
Open circuit voltage: 36.6V, 36.5V, 36.4V, 36.3V
Optimum operating voltage: 29.3V, 29.2V, 29.1V, 29.1 V
Short circuit current: 8.91A, 8.76A, 8.59A, 8.40A
Optimum operating current: 8.02A, 7.88A, 7.73A, 7.56A
Maximum power at STC: 235Wp, 230Wp, 225Wp, 220Wp

Current temperature coefficient: %/k 0.06±0.01
Voltage temperature coefficient: Mv/k -(165±10)
Power temperature coefficient: %/k -(0.5±0.05)