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FAQ: Charge Repay Service – Your company home charging solution

FAQ: Charge Repay Service

The Charge Repay Service collects billing-relevant data from domestic wallboxes and enables calibration-compliant and kWh-accurate billing for electric vehicles. Independent of the wallbox used!

On this page you will find a detailed FAQ about the Charge Repay Service, a description of the Charge Repay Gateway, technical data, operating instructions and the declaration of conformity.

Process overview

1. Invitation to service

You will be invited to the Charge Repay Service by your fleet manager by email. The prerequisite is (currently) an already installed wallbox. You can use the invitation to create an account with our service.

2. Hardware order

After registering, you can select your installed wallbox model and provide information about your installation. Finally, you can order the hardware required to connect your wallbox and receive an order confirmation.

3. Hardware installation​

The hardware will be delivered to the home address you provide. At the same time, our service technicians will contact you to arrange an appointment to install the hardware. The service is active after the installation.

4. Ongoing operation

In the service, you can view your charging processes and the expected reimbursement. You can differentiate between private and company cars and make changes to electricity and mileage data.


The Charge Repay Service is a complete solution for the billing of home charging processes for company car drivers. The special feature of the service is that any wallbox model can be used for billing, regardless of manufacturer and protocol.

The Charge Repay Service is a combination of software and hardware. The hardware is required to make the Wallbox billable. Newer (calibration law-compliant) Wallbox models can also be billed without additional hardware. Drivers can use the web app to enter their electricity price, view the charging processes and assign them as business or private charging.

For company car drivers, the main advantage of the service is that drivers can use their currently installed wallbox for charging and do not have to replace it. This saves costs and protects the environment. In addition, the driver can distinguish between private and business charging processes and does not have to purchase a costly wallbox that complies with calibration law.


50% cost saving compared to replacing your wallbox with a calibration law compliant one


Connect your existing wallbox & unrestricted flexibel choice for new installations

Sustainable & compliant

Retrofitting of (existing) wallboxes is sustainable and legally compliant with calibration law

Thanks to the additional hardware installed, any wallbox model with a charging point can be used for billing via the Charge Repay Service, regardless of the manufacturer and transmission protocol. The charging processes are recorded by the built-in meter and are therefore also independent of firmware versions and model series.

Provided that your company requires calibration-compliant billing, there are two different options for connecting the wallbox. A wallbox that complies with calibration law can be connected directly. This means that you have to make certain settings in the web interface of your wallbox so that the charging data can be transferred to our service. You will receive all further information during the onboarding process.

If you have installed a wallbox that does not comply with calibration law, our installation service provider will install additional hardware that allows you to differentiate between business and private charging processes. You will receive all further information during the onboarding process.

With the Charge Repay Service, it is generally possible to differentiate between business and private charging processes. Charging processes are assigned and authenticated via the web app provided. Legislation stipulates that an overall system that complies with calibration law must be used in the home sector. An MID-compliant meter in front of or in the wallbox is sufficient for this as long as only the company car is charged. In the likely event that another vehicle is also charged at the wallbox (albeit irregularly), we have developed a patented procedure to differentiate between the vehicles. However, this requires a hardware retrofit if no so-called calibration-compliant wallbox is available. With the help of the meter register of the installed MID meter, older and previously non-compliant wallbox models can also be used for calibration-compliant billing.


    You will receive an invitation to the Charge Repay Service by e-mail from your fleet manager. After accepting the invitation and registering in the service, you can select your currently installed wallbox. Based on the model and the fleet management guidelines, a decision is made as to whether additional hardware is required for the connection.


    If additional hardware is required, it will be sent to your home address. At the same time, our installation service provider will contact you and, if necessary, carry out a (remote) “pre-check” of the conditions in your fuse box. The MID meter is then installed. From this point, you can call up the service again and complete the installation of the gateway in order to bill your first charge.


    If you do not require any additional hardware, you will receive instructions during onboarding as to which adjustments you need to make to the interface of your wallbox.

    You can access the service at any time at Your current status of the onboarding process will be saved. We recommend that you save the website as a tab on the home screen of your mobile phone so that you can access the service quickly at any time.

    No, only the business charging processes are forwarded to the company for invoicing.

    If you have technical questions or questions about the connection and the process, please contact

    You can enter a new electricity price including a new contract in the service via Settings.

    Brief description

    Charge Repay Gateway

    The Charge Repay Gateway records charging data via local interfaces of the wallbox or an energy meter and forwards this encrypted WiFi/LAN to the Charge Repay Service.

    With automated onboarding, it is easy to put into operation and, in combination with a corresponding energy meter, enables billing of charging processes in the home in compliance with calibration law

    Technical data

    CPU data
    CPUNXP i.MX8M Mini
    Quad-Core AMX Cortex-A53, 1.8GHz
    Main memory & storage

    Main memory

    4GB eMMC (MLC), on-board





    1000Mbps Ethernet port, RJ45 connection
    100Mbps Ethernet port, RJ45 connection

    802.11ax WiFi interface
    Intel WiFi 6 AX200 module
    2×2.4GHz / 5GHz Rubber Duck antennas

    Bluetooth 5.1 BLE
    Intel WiFi 6 AX200 module

    4G/LTE CAT1 mobile radio module, Simcom SIM7600G
    Cellular communication Ruber Duck antenna

    Implemented with the Simcom SIM7600G module


    3x USB2.0, type A

    1x serial console port via UART-to-USB bridge
    Micro USB port

    1x RS485 connection
    Environmental conditions
    Operating temperature

    Storage temperature
    0° – 60° C

    -40° – 85° C
    Mechanical specifications
    Dimensions (WxHxD)

    Housing material

    112 x 84 x 25 mm


    General data
    Power supply

    Energy consumption
    DC 8V- 36V

    2W-7W depending on system load

    Operating instructions

    Here you can download the operating instructions for the Charge Repay Gateway. It contains safety notes, transport instructions, assembly notes and much more.

    Declaration of conformity

    Here you can download the declaration of conformity.

    Contact us

    Hi, we are Anton Schönenberg and Cedric Culkowski and we are looking forward to your inquiry

    Please do not hesitate to contact us. If you have any suggestions or comments, just send us a message to and we will reply as soon as possible.

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