This guide explains how to integrate the reev software into a Hager Witty One or Witty Plus charging station. The integration can be carried out in just a few simple steps.
Supported Models
Hager Witty One
Hager Witty Plus
Further technical details can be found in the respective Hager installation and operating instructions.
Required Materials
reev Documentation and Materials
The required documents and materials must already be available to the operator / CPO (Charge Point Operator) or the commissioned service provider. Here you will find the necessary onboarding materials.
Smartphone
A smartphone is required to carry out the configuration via the Hager Charge App.
Preparation
Please ensure that:
the charging station is electrically installed correctly and fully operational
a network connection (LAN or mobile network) is available
Bluetooth is enabled on the smartphone
Step-by-Step Integration
The following sections describe the integration process step by step. Once all required materials from the previous section are available, the integration can be carried out immediately.
1. Installing the Hager Charge App
The configuration of the Hager Witty One and Hager Witty Plus is carried out using the Hager Charge App.
Google Play Store: Hager Charge App – Google Play
Apple App Store: Hager Charge App – Apple Store
Install the app on your smartphone.
2. Connecting the Smartphone to the Charging Station (Bluetooth)
Open the Hager Charge App
Select “Start pairing” in the app
Hold the supplied RFID card against the charging station
Then select “LED blinking blue, continue”
Wait until the charging station appears in the app.
Connect your smartphone to the charging station via Bluetooth.
After a successful connection, the charging station will be visible in the app.
3. Configuring the Network Connection of the Charging Station
Note: If a LAN connection is used, no additional configuration is required.
Configuring a Wi-Fi Connection
Open the menu in the app using the three dots
Navigate to Station Settings → General Parameters
Select the “Network” menu item
Choose Wi-Fi as the connection type
Enter the required network details
Save the settings
4. Connecting the Charging Station to the reev Backend (OCPP)
Open the menu again using the three dots
Navigate to Station Settings → CPO Configuration
Click on “Activate”
Enter the following CPO address: wss://ocpp.reev.com
Save the setting by clicking “Save”
The OCPP communication with the reev backend is now correctly configured.
If you experience problems with the hardware, please contact Hager Support.
If you experience hardware-related issues, please contact Hager Support directly. For technical hardware problems, it is recommended to contact Hager, where a support ticket can be created with all relevant information: Hager – Contact and Support
Next Steps
To fully commission the charging infrastructure, the following onboarding steps are required:
For electricians / service providers
Registration and setup of all technical charging infrastructure data:
👉 https://config.reev.com/startFor charging infrastructure operators
Creation of a reev platform or assignment to an existing reev platform:
👉 https://dashboard.reev.com/login?cvn=granted







