Fronius Wattpilot Flex Pro 22
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Smart, Efficient, and Future-Ready Charging
For those who value innovation, Fronius presents the Wattpilot Flex, a perfect fusion of sleek design and cutting-edge technology.
This intelligent EV charger maximizes the use of solar energy by capturing every ray from your PV system* to charge your electric vehicle efficiently. With adaptive charging modes and variable electricity tariffs, it optimises self-generated solar power while seamlessly integrating affordable grid electricity when needed—ensuring cost-effective and efficient charging for the next day.
Maximum Charger Power: 22kW
Model Versions: Fronius Wattpilot Flex Pro 22 C6E
*Additional components are required for charging with PV surplus. All details can be found in the operating instructions.
Maximum Sun: Smart Solar Charging for E-Mobility
With the Fronius Wattpilot Flex, you can charge your electric vehicle economically using self-generated solar power. The PV-optimised wallbox automatically switches between 1-phase and 3-phase charging, ensuring maximum solar utilisation. Depending on the version, charging power dynamically adjusts from 1.38 kW to 11 kW or 22 kW, making full use of PV surplus without wasting a single ray of sunlight.
Two intelligent charging modes provide flexibility:
Eco Mode prioritises solar power for cost-effective charging.
Next Trip Mode ensures the exact amount of energy is charged at the optimal time for your next journey.
For PV system owners, the Wattpilot Flex delivers a double advantage—reducing charging costs while increasing self-consumption, accelerating the return on investment of your solar system.
Pure Elegance: A New Standard in EV Charging
The Fronius Wattpilot Flex redefines electric vehicle charging with its modern design and exceptional functionality. Combining sleek aesthetics with premium craftsmanship, this EV charger is not only highly efficient but also a sophisticated addition to any home.
Recognised for its outstanding product design, the Wattpilot Flex was awarded the prestigious German Design Award 2025 even before its official launch. For design enthusiasts, an exclusive limited first edition is available, featuring a special logo variant, making it a true statement piece in e-mobility innovation.
Seamless Usability: Intuitive and Intelligent Control
The Fronius Wattpilot Flex is designed for effortless operation, featuring a user-friendly interface with intuitive touch buttons and clear menu navigation for a smooth user experience.
With integrated WLAN and LAN interfaces, the charger seamlessly connects to your home network, ensuring easy setup and management. The Solar.wattpilot app allows for remote control and monitoring via smartphone or tablet, providing full access to charging settings anytime, anywhere.
For enhanced security and customisation, RFID technology enables multiple user profile management, ensuring complete control over all charging processes for both private and shared use.
Effortless Installation & Versatile Design
The Fronius Wattpilot Flex is designed for quick and hassle-free installation, ensuring it is operational in no time. Whether installed indoors or outdoors, in a company parking lot, underground garage, or residential area, its IP66 protection rating provides optimal resistance against external influences. Flexible cable routing options—top, bottom, or rear—allow for seamless integration into any location.
Photovoltaics & E-Mobility: A Perfect Match
The combination of photovoltaics and e-mobility creates smart, future-ready energy solutions. By integrating Fronius complete solutions, businesses can expand their product portfolio with perfectly matched solar and EV charging systems, delivering innovative, high-performance energy solutions to their customers.
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F.A.Q
Frequently Asked Questions
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How to set up monitoring for my Fronius Wattpilot EV charger?
The Fronius Solar.wattpilot app can be used to start up, configure, operate, visualise and update the Wattpilot. The app is available for Android™ and iOS®.
Download The Fronius Solar.wattpilot app is available on the following platforms.
You can access the Wattpilot via the app as follows:
Launching the app
- Open the Fronius Solar.wattpilot app on the end device and follow the Setup wizard.
- Read and accept the terms of use
- Click on "Connect"
NOTE: Access for the Fronius Solar.wattpilot app must be allowed for end devices with an iOS operating system.
iOS settings > Privacy > Local network > Fronius Solar.wattpilot > Allow access to local networkSetting up a hot spot
The Wattpilot permanently opens a hot spot
- Scan the QR code on the reset card or connecdt the end device to the WLAN hot spot. The passowrd is located on the reset card of the Wattpilot.
- Follow the further instructions in the app.
NOTE: The selected WLAN of the Wattpilot must remain connected despite the absence of an Internet connection for end devices with an Android operating system.
Setting up the WLAN
- Select WLAN and enter the password
- Follow the further instuctions in the app.
NOTE: It can take up to 1 minute to establish the connection! If the signal strength is low, a WLAN repeater must be installed, for example.
Adding a Wattpilot
New or connected Wattpilot devices can be added in the Fronius Solar.wattpilot app.
- Click on the "+" symbol
- Click on the "Add" for the connected Wattpilot
- Follow the further instructions in the app
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What are the Status Error Codes and Remedy for my Fronius Wattpilot EV Charger?
Status codes and remedy on Fronius Wattpilot EV Charger
Due to phase, voltage and switching function checks of the Fronius Wattpilot, a charging operation may be rejected.
The status codes are displayed via the LED status indicator (see LED status indicator on page 17) directly on the Wattpilot and in the app under "Status".
Status Codes
Issue Cause Remedy 1
Fault current detected (LEDs light up pink, the LEDs at the top flash red)
The residual current device has detected an error. The charging equipment in the vehicle may be defective. Have the charging equipment checked by a specialist. Disconnect and reconnect the charging cable. 3
At least one phase of the power supply is missing (the LEDs light up blue, the LEDs at the top flash red)
The device is only being supplied with 2 phases. Make sure that phase 2 and phase 3 are connected correctly. Option: a supply via phase 1 only is possible. 8
Grounding fault detected (the LEDs light up green and yellow, the LEDs at the top flash red)
Grounding fault detected. Check that the connection is properly grounded. 10
Relay fault detected
The relay has not switched. Disconnect the power supply to the device for 5 seconds. 11
Backup power mode detected
53 Hz mains current detected. Observe the instructions in the Operating Instructions. 12
Type 2 plug locking failed
The plug locking system does not work. Remove possible foreign parts in the plug housing. Type 2 plug not fully inserted. Insert the type 2 plug into the device as far as it will go until you hear a click. 13
Type 2 plug unlocking failed
The electric vehicle is plugged in. Unplug the electric vehicle. "Always locked" under "Cable release" in the Solar.wattpilot app is activated. Deactivate "Always locked" under "Cable release" in the Solar.wattpilot app. Release jammed. Insert the type 2 plug into the device as far as it will go until you hear a click. If the problem has still not been fixed: Press the push button on the device. If the problem has still not been fixed: Activate and save "Always locked" in the Solar.wattpilot app, then activate and save "Standard mode" under "Cable release". 100
Internal communication error (all LEDs flash red)
Device is not sending data. Disconnect and reconnect device. Perform a firmware update. Return device. 101
Temperature too high (the LEDs light up yellow, the LEDs at the top flash red)
Continuous load. Disconnect device and allow to cool down. Incorrectly installed cables. Disconnect device and allow to cool down. 105
No data available on the flexible electricity tariff (first or second LED - Eco Mode or Next Trip Mode - flashes red)
Flexible electricity tariff cannot be called up. Check WLAN and Internet connection. Wait until the server is available again. 109
No connection to the inverter (first or second LED - Eco Mode or Next Trip Mode - flashes red)
The connection to the inverter cannot be established. Check the network settings. Check the settings of the inverter. 114
For Eco Mode, PV surplus or flexible electricity tariff must be activated (Eco Mode LED flashes orange)
Eco Mode is selected and the "Use PV surplus" and "Use Lumina Strom / aWattar" settings are disabled. Activate the setting "Use PV surplus" and/or "Use Lumina Strom / aWattar". Change the mode. "Use Lumina Strom / aWattar" is enabled and there is no data connection to the Internet. Cached price data is still available. Check the network settings. 115
The set amount of energy cannot be reached in the specified time (second LED - Next Trip Mode - flashes orange)
The specified time is not sufficient for the desired amount of energy. Extend the specified time for charging. Reduce the desired amount of energy. 116
Update of flexible electricity tariffs failed (first or second LED - Eco Mode or Next Trip Mode - flashes orange)
The connection cannot be established. Check the network settings. The charging operation cannot be started, but all LEDs show the ready colour (default blue).
The vehicle is not being detected. Check vehicle cable and fit of charging plugs No LEDs light up after plugging in.
No power on the junction box. Check the overload fuse of the connection. Miniature fuse defective. Check the miniature fuse on the rear of the device. If it has melted, the power connection may not be installed properly. Check the polarity of the power connection before starting another test with a new miniature fuse. Use original miniature fuses only. The brightness of the LEDs has been set to 0. Increase the brightness of the LEDs in the Fronius Solar.wattpilot app. "Switch off LEDs after 10 s in standby" has been enabled. Deactivate "Switch off LEDs after 10 s in standby" or press the push button on the Wattpilot.
1 Intuitive Charging Modes with Touch Control
The Fronius Wattpilot Flex features intuitive touch buttons for seamless selection between two intelligent charging modes:
Eco Mode
Ideal for PV system owners, this mode prioritizes self-generated solar power whenever available. If solar energy is insufficient, it automatically switches to the cheapest grid electricity, ensuring cost-effective and sustainable charging.
Next Trip Mode
Designed for precise energy planning, this mode charges your electric vehicle for a specific journey—ensuring the required distance is covered by a set time. The Wattpilot intelligently optimises charging, using surplus PV power when available or selecting the cheapest mains electricity for maximum efficiency.
2 Solar.wattpilot App: Smart & Convenient Control
The Fronius Solar.wattpilot app provides effortless control of the Wattpilot Flex, allowing users to operate and monitor their charger conveniently via smartphone, tablet, or directly through touch buttons on the device.
With an intuitive interface, the app enables easy commissioning, offers a clear display of all charging data, and allows users to select charging modes and adjust settings anytime, anywhere—ensuring maximum flexibility and efficiency.
3 Smart LED Ring: Intuitive Charging Status Display
The illuminated LED ring provides a clear, real-time visualisation of charging status and energy flow. Different colours indicate whether your electric vehicle is drawing power from solar energy, battery storage, or the grid, allowing for effortless monitoring at a glance.
4 Simple Charging Display: Clear & Elegant Monitoring
The subtle yet intuitive charging display provides a clear visual representation of the energy being charged. Designed for effortless monitoring, it allows users to instantly check the charging progress at a glance—even without a smartphone—seamlessly combining functionality with refined aesthetics.
5 RFID Chip Management: Secure & Personalised Access
With RFID technology, multiple user profiles can be easily managed, ensuring precise tracking of each charging session. This feature allows for controlled access to the wallbox, enhancing security and providing a personalized charging experience for different users.
6 MID Meter (Wattpilot Flex Pro): Precise & Transparent Billing
The Fronius Wattpilot Flex Pro features a MID-compliant electricity meter, ensuring accurate recording of kilowatt-hour consumption for precise reimbursement. Designed to meet metering and calibration law requirements, it enables transparent billing, particularly in countries like Germany, where compliance is essential for commercial transactions.
Charging Precision: Optimized for Company Vehicles
The Fronius Wattpilot Flex Pro is the perfect solution for charging electric company cars with efficiency and precision.
MID-Compliant Metering:* Ensures accurate tracking of kilowatt-hour consumption, enabling transparent reimbursement with employers.
Seamless Integration: Easily connects to existing energy systems, enhancing overall energy management.
Refined Design: Features a sleek anthracite finish, blending elegantly into any environment while delivering superior functionality.
* depending on country-specific availability
Fleet Efficiency: The Complete E-Mobility Solution
Fronius delivers the next level of charging infrastructure for businesses with the Wattpilot Flex Pro, a high-performance charging solution designed for company electric fleets. Seamlessly integrating into existing infrastructure, it provides a reliable and cost-effective charging experience.
When combined with a Fronius PV system and inverters, fleet management becomes even more economical by leveraging self-generated solar power. For advanced charging management, Fronius EMIL* optimizes operations by:
Protecting electrical infrastructure and preventing sub-distribution overload.
Maximizing PV energy utilization across the entire Wattpilot fleet.
Providing real-time monitoring with clear visualization and detailed reporting through a practical cloud solution.
Precision Billing with MID-Certified Electricity Meter
The Fronius Wattpilot Flex Pro is superbly suited for commercial and industrial settings, including apartment buildings and hotels. It features a MID-certified electricity meter that complies with stringent German measurement and calibration laws (Mess- und Eichrecht), ensuring the utmost accuracy in recording kilowatt hours charged. This precision allows for straightforward and reliable billing, making it an essential tool for managing energy costs in professional environments.
Wattpilot Flex Pro
Technical data
Input data
Wattpilot Flex Pro 11 C6E | Wattpilot Flex Pro 22 C6E | ||||
1-phase | 3-phase | 1-phase | 3-phase | ||
Maximum charging power | kW | 3,68 | 11 | 7,36 | 22 |
Grid supply types | TT / TN / IT | ||||
Grid connection | 5-pole screw terminal | ||||
1-phase | 3-phase | 1-phase | 3-phase | ||
Nominal voltage | V | 230/240 | 400/415 | 230/240 | 400/415 |
Rated current (configurable) | A | 6–16A 1-phase or 3-phase | 6–32A 1-phase or 3-phase | ||
Grid frequency | Hz | 50 | |||
Charging cable | 6m cable with type 2 plug | ||||
Residual current device (An additional residual current circuit breaker as well as an automatic circuit breaker must be connected upstream in accordance with the applicable installation standard of the respective country.) | 20 mA AC, 6 mA DC integrated in the device | ||||
Supply line cable cross-section | mm2 | Cable entry from top (only permitted indoors), bottom, rear: 3x2.5mm2 to 5x10mm2, cable diameter 10-20mm | |||
General data
Wattpilot Flex Pro 11 C6E | Wattpilot Flex Pro 22 C6E | ||||
1-phase | 3-phase | 1-phase | 3-phase | ||
PV Optimisation (Additional components are required for PV-optimized charging. All details can be found in the operating instructions.) |
| Dynamic PV surplus charging from 1.38 - 11 kW (at 230V / 400V) (automatic 1-/3-phase switching) | Dynamic PV surplus charging from 1.38 - 22 kW (at 230V / 400V) (automatic 1-/3-phase switching) | ||
MID meter | Integrated (accuracy class B) | ||||
Conformity with calibration law (Mess.- und Eichrechtskonform) | Yes | ||||
Interfaces | LAN (via RJ45 or LSA) 10/100 Mbit/s / Wifi 802.11 b/g/n / 2 digital inputs / Relay output / Prepared for ISO15118 | ||||
Charging mode |
| Mode 3 according to IEC 61851-1 AC charging | |||
Authentication |
| RFID / Solar.wattpilot app | |||
Standby consumption | W | 3.5 - 6.8 (depending on the settings) | |||
Communication protocols | OCPP 1.6 J | ||||
Dynamic Load Balancing (An Internet connection is required for Dynamic Load Balancing.) | Integrated (unlimited number of charging boxes) | ||||
Use (When installing outdoors, the cable entry may only be used from below or behind. The charging power of the Wattpilot may be limited in direct sunlight.) | Indoor and outdoor areas | ||||
Type of installation | Hanging upright | ||||
Protection class | IP 66 | ||||
Norms and standards | EN IEC 61851-1 | ||||
Dimensions (H x W x D) | mm | 325 x 195 x 105 | |||
Weight including type 2 cable | kg | 4,1 | 5,4 | ||
Ambient temperature | °C | –25 bis +45 | |||
Air humidity | % | 5-95 (non-condensing) | |||
Sea level | m | 0 - 2000 | |||
Color | Anthracite | ||||
Impact resistance | IK08 | ||||
Fronius Wattpilot Settings include:
- Current level
- Next Trip Mode
- Cost optimisation
- Use Lumina Strom
- Eco Mode price limit
- Use PV surplus
- Inverter
- PV battery threshold
- Ohmpilot threshold - optional
- PV surplus - advance settings
- PV surplus-advanced settings
- Zero feed-in
- Prefer from grid
- Default
- Prefer to grid
- Car - Advanced settings
- Charging timer
- Name
- Brightness
- LED colours
- Time zone
- Access management
- Cable release
- Earthing test
- ID chips
- Password
- Grid settings
