Solar tools and calculators
Free calculators to help you size your solar installation and technical guides from our support team, who are specialists in Fronius and Victron Energy. All the tools work in your browser, with no registration required.
Calculators
Solar panel calculatorHow many panels and what power output does your home need, depending on energy consumption, location, orientation and shading?.Solar Battery CalculatorRated and usable capacity, Ah, and number of modules: Pylontech, Pytes, ZYC or Victron.Panels in series and parallel (MPPT validation)Check the cold Voc, hot Vmp and current against the limits for your Fronius or SmartSolar.Cable cross-section calculatorDC and AC cable cross-section based on voltage drop, using the Victron rule for battery cables and the recommended fuse.Victron MPPT CalculatorChoose the right SmartSolar regulator for your panels and your battery bank.
Fronius technical guides and Victron
- Fronius status codesMy Fronius isn’t workingSmart Meter and feed-in 0Solar.web offlineGEN24 Plus: PV Point and Full BackupUpdate Fronius firmwareVE.Bus Victron errorsConfigure Victron ESSDVCCGenerator start-up with Cerbo GXFronius AC coupling + Victron