1. Introduzione
The KONNWEI BK300 is a smart Bluetooth 5.0 battery monitor designed to provide real-time monitoring of your vehicle's battery. It is compatible with 12V/24V batteries found in cars, motorcycles, boats, RVs, and trucks. This device connects wirelessly to the free BKmonitor app (iOS & Android), allowing you to track voltage, charge level, temperature, and overall battery health. It provides push alerts for abnormal values, helping to predict potential battery failures. The BK300 also includes starting and charging system tests, offering a comprehensive overview of your vehicle's electrical system performance.
2. Caratteristiche principali
- Ampia compatibilità: Supports 6V, 12V, and 24V batteries, including flooded, AGM Flat, Spiral, EFB, VRLA, GEL, and Lithium types.
- Monitoraggio in tempo reale: Continuously tracks battery voltage, charge level, temperature, and health.
- Connettività Bluetooth 5.0: Ensures stable and interference-free transmission within a 10-meter range to the BKmonitor app.
- Intuitive Mobile App: Free BKmonitor app (iOS/Android) provides an easy-to-use interface with waveform analysis, cranking tests, charging tests, and historical data.
- Abnormal Value Alerts: Sends push notifications for voltage drops, high temperatures, or other abnormal battery conditions.
- Test del sistema di avviamento: Misure voltage drop and starter motor engagement to assess starter performance.
- Test del sistema di ricarica: Checks alternator health, current output, and diode function.
- History Curve: Tracks daily battery trends for easy diagnosis and long-term monitoring.
- Installazione semplice: Simple plug-and-play setup by connecting clamps alla batteria.
- Caratteristiche di sicurezza: Built-in reverse polarity and short-circuit protection.
- Basso consumo energetico: Consumes only 3mA, minimizing impact on battery life.
- Supporto multilingua: App supports 13 languages.
3. Contenuto della confezione
The KONNWEI BK300 package includes:
- 1 x KONNWEI BK300 Bluetooth Battery Monitor device
- 1 x Manuale utente
- 1 x confezione

Image: KONNWEI BK300 Bluetooth Battery Monitor and Electrical System Tester, showing the device connected to a car battery and the app interface on a smartphone.
4. Specifiche
| Specificazione | Valore |
|---|---|
| Numero di modello | BK300-CAN |
| Peso dell'articolo | 30 grammi |
| Dimensioni del prodotto | Dimensioni: 4.5 x 1.8 x 2.8 cm |
| Colore | Nero |
| Tipo di fonte di alimentazione | Elettrico con cavo |
| Precisione della misurazione | 99% |
| min. Operativo Voltage | 3 Volt |
| Massimo volume di eserciziotage | 60 Volt |
| Tipo di misurazione | Voltmetro |
| Specifiche soddisfatte | CE, RoHS |
5. Istruzioni per l'installazione
5.1 Download e installazione dell'app
- Download the "BKmonitor" app from the Google Play Store (for Android devices) or the Apple App Store (for iOS devices).
- Installa l'app sul tuo smartphone.
- Open the app and agree to the Privacy Policy and Terms of Service.
- Grant necessary permissions, such as location access, for the app to function correctly.

Image: Steps for downloading the BKmonitor app from Google Play or App Store and connecting via Bluetooth.
5.2 Connessione hardware
- Assicurati che il motore del tuo veicolo sia spento.
- Connect the red terminal of the BK300 device to the positive (+) terminal of your vehicle's battery.
- Connect the black terminal of the BK300 device to the negative (-) terminal of your vehicle's battery.
- Secure the connections to prevent accidental dislodging.

Image: The BK300 device connected to a car battery, demonstrating its suitability for various battery types and vehicles.
Video: A short demonstration on how to easily use the BM300 Pro, which is similar to the BK300, showing the connection process and app interface.
Video: Un oltreview of the BK300 Car Battery Monitor, showcasinle sue caratteristiche e il design compatto.
6. Istruzioni per l'uso
6.1 Connessione Bluetooth
- Apri l'app BKmonitor sul tuo smartphone.
- The app will automatically search for nearby BK300 devices.
- Select your device from the list to establish a Bluetooth connection. Ensure you are within 10 meters of the device for a stable connection.
6.2 Monitoraggio in tempo reale
Once connected, the app will display real-time battery information, including:
- State of Charge (SoC) percentage
- Volume attualetage
- Temperatura della batteria
- Battery Health status (e.g., "Battery OK")

Image: The BK300's main features, including real-time monitoring, cranking test, and charging test, displayed on the app interface.
6.3 Prova di avviamento
Per eseguire un test di avviamento:
- In the BKmonitor app, navigate to the "Cranking Test" section.
- Seguire le istruzioni sullo schermo per avviare il veicolo.
- The app will analyze the voltage drop during engine start and provide results on starter motor performance.
6.4 Test di ricarica
Per eseguire un test di ricarica:
- In the BKmonitor app, navigate to the "Charging Test" section.
- Seguire le istruzioni sullo schermo, che potrebbero includere incrementiasing engine RPM to a specified level (e.g., 2,500 r/min for 5 seconds).
- The app will evaluate the alternator's health, current output, and diode condition.

Image: A visual representation of the app's quick battery test features, including waveform, charging, and cranking test results.
6.5 Analisi della forma d'onda
The app provides a waveform display to visualize live voltage readings and detect fluctuations in your starting and charging systems over time. This helps in identifying intermittent issues or trends in battery performance.

Image: The waveform feature within the BKmonitor app, illustrating how live voltage data is presented for detailed analysis.
6.6 Find Car Feature
The BKmonitor app includes a "Find Car" feature that utilizes your phone's GPS to help you locate your vehicle. This is particularly useful in large parking lots or unfamiliar areas.
6.7 History and Settings
The app stores a history of your battery tests and trips, allowing you to track performance over time. The settings menu enables customization of units (e.g., Fahrenheit/Celsius, miles/kilometers), language, and other preferences. Firmware updates can also be managed through the app.
7. Manutenzione
To ensure optimal performance and longevity of your KONNWEI BK300 and vehicle battery:
- Regularly inspect the battery terminals for corrosion. Clean any corrosion with a wire brush and a baking soda solution.
- Ensure the BK300's connections are secure and free from debris.
- Mantenere il dispositivo pulito e asciutto.
8. Risoluzione Dei Problemi
If you encounter issues with your KONNWEI BK300, consider the following:
- Nessuna connessione Bluetooth: Ensure the device is properly connected to the battery, Bluetooth is enabled on your smartphone, and you are within the 10-meter range. Restart the app or your phone if necessary.
- Letture imprecise: Verify that the battery terminals are clean and the connections are secure. Ensure the correct battery type is selected in the app settings.
- L'app non risponde: Close and restart the BKmonitor app. Check for any available app updates.
- Il dispositivo non si accende: Confirm that the device is correctly connected to the battery terminals. Check for any damage to the cables or the device itself.
9. Garanzia e supporto
For any questions, technical support, or warranty inquiries regarding your KONNWEI BK300, please contact your local store, distributor, or visit the official KONNWEI website. The user manual included in the packaging box also contains detailed information and contact details.
Ufficiale Websito: www.konnweis.cn





