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 PanelsMaysun SolarMS(645-660)MTDG-60HNMS645MTDG-60HN

Maysun Solar MS645MTDG-60HN

645 WTOPConMaysun TOPConGlass-GlassTOPConN-TypeGlass-GlassBifacial120 cells

The Maysun Solar MS645MTDG-60HN is a 645 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)
: 645 W
Open-Circuit Voltage (Voc)
: 44.05 V
Max Power Voltage (Vmpp)
: 37.09 V
Short-Circuit Current (Isc)
: 18.45 A
Max Power Current (Impp)
: 17.39 A
Number of Cells
: 120
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)
: 44 °C
Cell Technology
: TOPCon
Max Series Fuse
: 35 A
Power Tolerance
: +5%
Physical
Length
: 2,172 mm
Width
: 1,303 mm
Thickness
: 30 mm
Weight
: 36 kg

Datasheet

Download PDF0.7 MB

Other Models in This Series

ModelPowerVocIsc
MS645MTDG-60HNCurrent
645 W44.05 V18.45 A
MS650MTDG-60HN
650 W44.28 V18.48 A
MS655MTDG-60HN
655 W44.52 V18.51 A
MS660MTDG-60HN
660 W44.75 V18.54 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