Fronius Watt
With the Fronius Wattpilot, every electric car driver can decide how they would like to charge their car. Charging is extremely affordable in combination with a variable electricity tarif.
Cost-effective charging with variable green electricity tariffs
The electric car can be charged very cheaply from the grid with green electricity through the use of variable green electricity tariffs, particularly at night during low-tariff periods.
Standalone app: “Solar.wattpilot”
To operate the Wattpilot, the Solar.wattpilot app (iOS and Android) is available for electric car owners. The device can be put into operation with just a few clicks, charging settings can be made and charging processes visualised.
Dynamic PV surplus charging
Dynamic PV surplus charging can be used to charge the electric car with ampere increments of surplus PV by means of 1/3-phase switching. This results in higher self-consumption rates and the PV system paying for itself more quickly.
Two different charging modes: Eco and Next Trip
Depending on customer requirements, the electric car can either be charged in an extremely environmentally friendly manner or in a way that is tailored perfectly to the next journey.
SAFETY FUNCTIONS
- RFID access control: charging can only be started by selected persons with a valid ID-Chip (RFID).
- Theft-proof charging socket lock.
- Additional cable protection can be fitted for the charging box (lock not included in scope of supply): the Wattpilot cannot be removed by simply disconnecting it.
- Residual current device with direct current detection: 30mA AC, 6mA DC.
- Phase and voltage testing of the input voltage prevents damage to the charging unit of the electric car if a phase is missing.
- Auxiliary contact on the relays for checking the switching function (faulty relays are detected).
- Earthing detection (can be switched off, “Norway function”).
- Three-phase current sensor to evaluate the charging current.
- Miniature fuse for internal electronics that can be changed by the customer prevents a fault if the supply line is connected incorrectly.
- Adapter recognition with automatic reduction to 16A (only for Wattpilot Go 22 J).
- Temperature monitoring: current is reduced if the temperature is too high.
It doesn't get cheaper than this: Charge using your own solar power
As a PV system owner, you’re already benefiting from the environmental and economic advantages of generating your own energy. By adding an electric car to your household, you can maximize your savings even further with the Fronius Watt. This intelligent EV charger automatically switches between 1-phase and 3-phase charging, with the ability to adjust output in 1-ampere increments. This ensures that your surplus PV energy—from as little as 1.38 kW up to 22 kW—is efficiently utilized to charge your vehicle. This way, you can use the excess energy from your PV system to charge your car sustainably and at virtually no cost.
Two charging modes for flexible e-mobility
Charge your vehicle the way that suits your needs best with the Fronius Watt, offering two flexible charging modes. You can select these modes either directly on the charger or conveniently via the Fronius Solar.wattpilot app:
Eco Mode
Perfect for PV system owners, this mode prioritizes using self-generated solar power whenever it’s available or charges with the most affordable mains electricity, ensuring cost-effective and environmentally friendly charging.
Next Trip Mode
Ideal for those who need to reliably charge their vehicle for a specific journey. Simply set the required distance and desired departure time, and the Fronius Watt will intelligently charge the necessary amount. This mode also uses surplus solar power or the cheapest mains electricity whenever possible.
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