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
  • Panel Replacement
  • Cable sizing

Resources

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

Legal

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

© 2026 Solar Stack

Solar PanelsJA SolarJAM66D50 GB

JA Solar JAM66D50 GB

645–670 W6 modelsTOPConDeepBlue 5.0Glass BackBifacial 85%2382 × 1134 × 30 mm32.8 kg

Technical Specifications

Temperature

Temp. Coefficient Voc
: -0.22 %/°C
Temp. Coefficient Isc
: 0.041 %/°C
Temp. Coefficient Pmax
: -0.26 %/°C
Max System Voltage
: 1,500 V
Nominal Cell Temperature (NOCT)
: 45 °C
Cell Technology
: TOPCon
Number of Cells
: 198
Bifaciality Factor
: 85%
Max Series Fuse
: 35 A
Power Tolerance
: +3%

Physical

Length
: 2,382 mm
Width
: 1,134 mm
Thickness
: 30 mm
Weight
: 32.8 kg
Download PDF1.2 MB

Other Models in This Series

ModelPowerVocIsc
JAM66D50-645/GB
645 W49.96 V16.53 A
JAM66D50-650/GB
650 W50.05 V16.58 A
JAM66D50-655/GB
655 W50.14 V16.63 A
JAM66D50-660/GB
660 W50.23 V16.68 A
JAM66D50-665/GB
665 W50.32 V16.73 A
JAM66D50-670/GB
670 W50.41 V16.78 A