Polycrystalline 300w 310w 320w solar panel 5BB cells


Cowin panels offer home and business owners reliable solar power paired with great aesthetics and options to match your personal preferences.
  • Model P156-310W
  • Size 1956*990*40 mm
  • Capacity 310 Watt
  • Price USD/Watt0.30 ~ USD/Watt0.40
Inquiry PDF Format

Limited power degradation of Eagle module caused by PID effect is guaranteed under strict testing condition (85℃/85%RH,96hours)for mass production

Polycrystalline 60-cell module achieves a power output up to 280Wp

Entire module certified to withstand high wind loads (2400 Pascal) and snow loads (5400 Pascal)

Advanced glass and surface texturing allow for excellent performance in low-light environments

High salt mist and ammonia resistance certified by TUV NORD

 

 Electrical parameters at standard test conditions

 (STC:AM=1.5, 1000W/m2, Cells Temperature 25℃ )

Typical Type  320W 315W 310W 305W 300W
Max power(Pmax)  320 315 310 305 300
Max power voltage(Vmp)  36.75 36.62 36.49 36.36 36.19
Max power current(lmp) 8.70 8.60 8.49 8.39 8.29
Open circuit voltage(Voc)  46.32 46.15 45.98 45.81 45.67
Short circuit current(lsc) 9.14 9.03 8.92 8.81 8.74
Cell efficiency(%) 18.8 18.5 18.2 17.9 17.6
Module Efficiency(%) 16.50 16.23 15.97 15.72 15.46
Max system voltage DC1000V 
Maximum Series Fuse Rating 15A
Mechanical Data
Dimensions 1956x992x40/50mm
Weight 23kgs
Front glass 3.2 mm tempered glass
Output cables

4 mm2

symmetrical lengths

1000 mm

Connectors MC4 compatible IP67
Cell type

Poly Crystalline Silicon

156mmx156mm

Number of cells 60 cells in series
Temperat Ure Characteristics 
Temp.Coeff.of lsc(TK lsc) 0.045% / ℃
Temp.Coeff.of Voc(TK Voc) (-0.34%) / ℃
Temp.Coeff.of Pmax(TK Pmax) (-0.47%) / ℃
Operating temperature (-40~+85%) ℃
Normal operating cell temperature 45±2℃
Packing Configuration
Container  20’GP(40/50)                                      40’HQ(40/50)
Pieces per pallet       52/40                                                   56/44
Pallets per container           5                                                          11
Pieces per container    260/200                                               616/484