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 PanelsSunpro PowerSPDG-144MSPDG435-144M

Sunpro Power SPDG435-144M

435 WPERCSPDG144Mbifacialdouble-glasssilver-framepercmono-crystallineBifacial 70%144 cells

The Sunpro Power SPDG435-144M is a 435 W solar panel featuring PERC cell technology. Below are the verified electrical and thermal specifications extracted from the manufacturer datasheet.

Technical Specifications

Electrical Characteristics (STC)
Peak Power (Pmax)
: 435 W
Open-Circuit Voltage (Voc)
: 49.5 V
Max Power Voltage (Vmpp)
: 40.7 V
Short-Circuit Current (Isc)
: 11.23 A
Max Power Current (Impp)
: 10.69 A
Number of Cells
: 144
Temperature
Temp. Coefficient Voc
: -0.29 %/°C
Temp. Coefficient Isc
: 0.05 %/°C
Temp. Coefficient Pmax
: -0.34 %/°C
Max System Voltage
: 1,500 V
Nominal Cell Temperature (NOCT)
: 44 °C
Cell Technology
: PERC
Bifaciality Factor
: 70%
Max Series Fuse
: 25 A
Power Tolerance
: +5%
Physical
Length
: 2,094 mm
Width
: 1,038 mm
Thickness
: 35 mm
Weight
: 26.1 kg

Datasheet

Download PDF5.9 MB
Find on AmazonCheck current price and availability

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

Other Models in This Series

ModelPowerVocIsc
SPDG435-144MCurrent
435 W49.5 V11.23 A
SPDG440-144M
440 W49.6 V11.34 A
SPDG445-144M
445 W49.7 V11.45 A
SPDG450-144M
450 W49.8 V11.56 A
SPDG455-144M
455 W49.9 V11.65 A
SPDG460-144M
460 W50 V11.69 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