The Source For Renewables™

1STH-345-WH Solar Panel from 1Soltech

Electrical Characteristics
STC Power Rating Pmp (W) 345
PTC Power Rating Pmpp (W) 304.5
PTC/STC Power Ratio 88.3%
Open Circuit Voltage Voc (V) 51.0
Short Circuit Current Isc (A) 8.89
Voltage at Maximim Power Vmp (V) 42.5
Current at Maximim Power Imp (A) 8.11
Panel Efficiency 16.0%
Fill Factor 76.2%
Power Tolerance -3.00% ~ 3.00%
Maximum System Voltage Vmax (V) 600
Maximum Series Fuse Rating (A)
Temperature Coefficients
Temperature Coefficiency of Isc 0.090 %/ºC
Temperature Coefficiency of Voc -0.37 %/ºC
Temperature Coefficiency of Pmp -0.48 %/ºC
Mechanical Characteristics
Cell Type Monocrystalline Cell
Cell Size(mm) 156 × 156
Cells 8 × 10
Dimensions 1652.0 × 1306.0 × 50.0mm (51.4 × 65.0 × 2.0 inch)
Weight 29.0Kg (63.9 lbs)
Junction Box (Safety Rating, Bypass Diodes) IP67, 4 Diodes
Positive Cable (Length, Cable Cross-Section)
Negative Cable (Length, Cable Cross-Section)
Plug Connector (Type, Safety) MC4
Front Cover (Thickness,Material)
Backsheet Cover (Color, Thickness, Material)
Encapsulation Materials
Frame Material
Operation Conditions
Nominal Operating Cell Temperature (NOCT) 50.0ºC
Operating Temperature -40.0ºC to 90.0ºC
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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