Model SM660-250
Maximum power (W) 250
Optimum power voltage (Vmp) 30.7
Optimum operating current (Imp) 8.15
Open circuit voltage (Voc) 37.4
Short circuit current (Isc) 8.80
Solar cell: 156 x 156 monocrystalline
Number of cell (pcs) 6 x 10
Size of module (mm) 1640 x 992 x 40mm
Front glass thickness (mm) 3.2
Temperature coefficient of Isc (%)/°C +0.05
Temperature coefficient of Voc (%)/°C -0.34
Temperature coefficient of Pm (%)/°C -0.46
Temperature coefficient of Im (%)/°C +0.1
Temperature coefficient of Vm (%)/°C -0.38
Temperature range (°C) -40 to +85
Tolerance wattage (%) -0/+3
cell efficiency (%) 17.75
Module efficiency (%) 15.4
Surface maximum load capacity (Pa) 2400
Allowable hail load 23m/s, 7.53g
Frame Anodized Aluminium Alloy
Weight per piece (kg) 19.5
Standard test conditions AM1.5, 1000W/m2, 25°C (+/-2°C)
FF (%) ≥73.3
10 years workmanship warranty
10 years warranty, 90% power output
25 years warranty, 80% power output
250W Solar Panel
24V nominal voltage
60 cells module
module efficiency 15.40%
monocrystalline
The panels comes with a connection lead with MC4 connectors at the end for an easy plug and play installation
Aluminium frame
Weatherproof film
Built in bypass diode
Tempered glass
convenient size
Panel Specifications
| SM660-250 |
Maximum power (W) |
250 |
Optimum power voltage (Vmp) |
30.7 |
Optimum operating current (Imp) |
8.15 |
Open circuit voltage (Voc) |
37.4 |
Short circuit current (Isc) |
8.80 |
Solar cell: |
156 x 156 monocrystalline |
Number of cell (pcs) |
6 x 10 |
Size of module (mm) |
1640 x 992 x 40mm |
Front glass thickness (mm) |
3.2 |
Temperature coefficient of Isc (%)/°C |
+0.05 |
Temperature coefficient of Voc (%)/°C |
-0.34 |
Temperature coefficient of Pm (%)/°C |
-0.46 |
Temperature coefficient of Im (%)/°C |
+0.1 |
Temperature coefficient of Vm (%)/°C |
-0.38 |
Temperature range (°C) |
-40 to +85 |
Tolerance wattage (%) |
-0/+3 |
cell efficiency (%) |
17.75 |
Module efficiency (%) |
15.4 |
Surface maximum load capacity (Pa) |
2400 |
Allowable hail load |
23m/s, 7.53g |
Frame |
Anodized Aluminium Alloy |
Weight per piece (kg) |
19.5 |
Standard test conditions |
AM1.5, 1000W/m, 25°C (+/-2°C) |
FF (%) |
≥73.3 |