The Source For Renewables™

1STH-220-P Solar Panel from 1Soltech

Electrical Characteristics
STC Power Rating Pmp (W) 220
PTC Power Rating Pmpp (W) 194.0
PTC/STC Power Ratio 88.2%
Open Circuit Voltage Voc (V) 36.6
Short Circuit Current Isc (A) 7.97
Voltage at Maximim Power Vmp (V) 29.3
Current at Maximim Power Imp (A) 7.47
Panel Efficiency 14.0%
Fill Factor 75.4%
Power Tolerance -3.00% ~ 3.00%
Maximum System Voltage Vmax (V) 600
Maximum Series Fuse Rating (A) 15
Temperature Coefficients
Temperature Coefficiency of Isc 0.010 %/ºC
Temperature Coefficiency of Voc -0.36 %/ºC
Temperature Coefficiency of Pmp -0.50 %/ºC
Mechanical Characteristics
Cell Type Polycrystalline Cell
Cell Size(mm) 156 × 156
Cells 6 × 10
Dimensions 1626.0 × 964.0 × 46.0mm (38.0 × 64.0 × 1.8 inch)
Weight 20.0Kg (44.1 lbs)
Junction Box (Safety Rating, Bypass Diodes)
Positive Cable (Length, Cable Cross-Section)
Negative Cable (Length, Cable Cross-Section)
Plug Connector (Type, Safety)
Front Cover (Thickness,Material)
Backsheet Cover (Color, Thickness, Material)
Encapsulation Materials
Frame Material
Operation Conditions
Nominal Operating Cell Temperature (NOCT) 47.4ºC
Operating Temperature -40.0ºC to 85.0ºC
Maximum Load
Hail Storm Rating
Fire Safety Rating
Warranty & Certification
  • UL 1703
  • CEC California
Defects & Workmanship Warranty Period 5.0 Years
90% Power Output Warranty Period 10.0 Years
80% Power Output Warranty Period 25.0 Years
Are Warranties Insured By Third Party False
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