WFS400 vs BlueBattery Usage & Stats
WFS400-SMART immobilizer is a modern anti-theft device for your vehicle. From now you can also disarm it using the app.
You can still use a maintenance-free wireless transmitter or PIN code in parallel. You can pair up to 8 phones or wireless transmitters with the immobilizer.
The WFS400-SMART app runs in the background until you close it or turn off the app's functionality. You don't even have to take your phone out of your pocket, all you need to do is get close to your vehicle and the immobilizer will automatically connect to your phone and unlock the car.
The list of supported vehicles is available at www.ampire.de.
Do you want to have a car secured with WFS400-SMART immobilizer? Contact a car installer in your area.
The application is intended for use with a WFS400-SMART immobilizer.
- Apple App Store
- Free
- Utilities
Store Rank
- -
BlueBattery is a Bluetooth Smart (BLE) based system to display and record vital electrical parameters of a RV battery system. The small outline device connects directly in line of the battery. An additional connection to the solar charger or booster completes the installation. This App displays all recorded data as well as live measurements.
Live Data
Shows all important measurements from battery, solar, booster in real time.
Energiemix
The simultaneous connection to all devices allows for a complete energy overview with day-to-day readings.
Historic Records
best for diagnosing and troubleshooting of your battery system
graphical overview of important measurements for the last 24 hours
daily min/max data
consumption, charging, solar summery
export to CSV file
Configure Settings
make all adjustments via touch interface and save it to the device
get an overview of all configuration settings
Firmware Updates
maintain your devices with included firmware
outdated versions will be prompted to update
manual firmware update
BlueBattery includes a complete battery computer and displays
- battery voltage (V)
- battery current (A)
- battery capacity (Ah)
- state of charge SOC (%)
- temperature (°C)
compatible to solar charge controllers from Alden, Büttner, Votronic (since 2013) and Victron MPPT
- solar power (W)
- solar charge current (A)
- solar panel voltage (V)
- battery voltage (V)
- status
compatible to boost chargers from Votronic VCC1212-20/-30/-50/-70/-90
- input voltage (V)
- output voltage (V)
- output current (A)
supported BlueBattery devices
- BlueBattery Black Edition
- BlueBattery-Basic
- BlueBattery D1
- BlueBattery D1 Black Edition
- BlueBattery D2 Black Edition
- Adapter D1
- BlueBattery X200 / X300
- BBX400
- Apple App Store
- Free
- Utilities
Store Rank
- -
WFS400 VS. 
BlueBatteryJanuary 18, 2026