Solar Stack
Solar Stack
How it worksGuidesAdd Equipment
Sign in
Solar Stack

Free solar panel & inverter compatibility checker. Verify your PV string configuration is safe before installation.

Tools

  • Calculator
  • Panel Matcher
  • Inverter Finder
  • Inverter Compare
  • Panel Replacement
  • Cable sizing

Resources

  • Guides
  • How it works
  • Standards & Compliance
  • Data API
  • Replacement methodology
  • Add Equipment
  • Feedback

Legal

  • About
  • Privacy Policy
  • Terms of Service
  • Cookie Policy

© 2026 Solar Stack

Solar PanelsGCLEN-NT1078GDFGCL-NT10/78GDF 625

GCL-NT10/78GDF 625

625 WTOPConTOPConBifacial 80%156 cells

The GCL GCL-NT10/78GDF 625 is a 625 W solar panel featuring TOPCon cell technology. Below are the verified electrical and thermal specifications extracted from the manufacturer datasheet.

Technical Specifications

Electrical Characteristics (STC)
Peak Power (Pmax)
: 625 W
Open-Circuit Voltage (Voc)
: 56.22 V
Max Power Voltage (Vmpp)
: 47.04 V
Short-Circuit Current (Isc)
: 14.01 A
Max Power Current (Impp)
: 13.29 A
Number of Cells
: 156
Temperature
Temp. Coefficient Voc
: -0.25 %/°C
Temp. Coefficient Isc
: 0.045 %/°C
Temp. Coefficient Pmax
: -0.29 %/°C
Max System Voltage
: 1,500 V
Nominal Cell Temperature (NOCT)
: 45 °C
Cell Technology
: TOPCon
Bifaciality Factor
: 80%
Max Series Fuse
: 30 A
Power Tolerance
: +3%
Physical
Length
: 2,465 mm
Width
: 1,134 mm
Thickness
: 30 mm
Weight
: 33.6 kg

Datasheet

Download PDF7.9 MB
Find on AmazonCheck current price and availability

As an Amazon Associate, Solar Stack earns from qualifying purchases.

Other Models in This Series

ModelPowerVocIsc
GCL-NT10/78GDF 625Current
625 W56.22 V14.01 A
GCL-NT10/78GDF 635
635 W57 V13.85 A
GCL-NT10/78GDF 640
640 W57.15 V13.9 A
GCL-NT10/78GDF 645
645 W57.3 V13.95 A
GCL-NT10/78GDF 650
650 W57.45 V14 A

Check in calculator

Verify string compatibility with your inverter

Find replacement

Find electrically compatible alternatives

Find compatible inverter

See which inverters work with this panel