1. Introduction
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. Key Features
- Wide Compatibility: Supports 6V, 12V, and 24V batteries, including flooded, AGM Flat, Spiral, EFB, VRLA, GEL, and Lithium types.
- Real-Time Monitoring: Continuously tracks battery voltage, charge level, temperature, and health.
- Bluetooth 5.0 Connectivity: 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.
- Starting System Test: Measures voltage drop and starter motor engagement to assess starter performance.
- Charging System Test: Checks alternator health, current output, and diode function.
- History Curve: Tracks daily battery trends for easy diagnosis and long-term monitoring.
- Easy Installation: Simple plug-and-play setup by connecting clamps to the battery.
- Safety Features: Built-in reverse polarity and short-circuit protection.
- Low Power Consumption: Consumes only 3mA, minimizing impact on battery life.
- Multi-language Support: App supports 13 languages.
3. Package Contents
The KONNWEI BK300 package includes:
- 1 x KONNWEI BK300 Bluetooth Battery Monitor device
- 1 x User Manual
- 1 x Packaging Box
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. Specifications
| Specification | Value |
|---|---|
| Model Number | BK300-CAN |
| Item Weight | 30 g |
| Product Dimensions | 4.5 x 1.8 x 2.8 cm |
| Color | Black |
| Power Source Type | Corded Electric |
| Measurement Accuracy | 99% |
| Min. Operating Voltage | 3 Volts |
| Maximum Operating Voltage | 60 Volts |
| Measurement Type | Voltmeter |
| Specifications Met | CE, RoHS |
5. Setup Instructions
5.1 App Download and Installation
- Download the "BKmonitor" app from the Google Play Store (for Android devices) or the Apple App Store (for iOS devices).
- Install the app on your 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 Hardware Connection
- Ensure your vehicle's ignition is off.
- 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: An overview of the BK300 Car Battery Monitor, showcasing its features and compact design.
6. Operating Instructions
6.1 Bluetooth Connection
- Open the BKmonitor app on your 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 Real-Time Monitoring
Once connected, the app will display real-time battery information, including:
- State of Charge (SoC) percentage
- Current Voltage
- Battery Temperature
- 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 Cranking Test
To perform a cranking test:
- In the BKmonitor app, navigate to the "Cranking Test" section.
- Follow the on-screen prompts to start your vehicle.
- The app will analyze the voltage drop during engine start and provide results on starter motor performance.
6.4 Charging Test
To perform a charging test:
- In the BKmonitor app, navigate to the "Charging Test" section.
- Follow the on-screen prompts, which may include increasing 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 Waveform Analysis
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. Maintenance
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.
- Keep the device clean and dry.
8. Troubleshooting
If you encounter issues with your KONNWEI BK300, consider the following:
- No Bluetooth Connection: 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.
- Inaccurate Readings: Verify that the battery terminals are clean and the connections are secure. Ensure the correct battery type is selected in the app settings.
- App Not Responding: Close and restart the BKmonitor app. Check for any available app updates.
- Device Not Powering On: Confirm that the device is correctly connected to the battery terminals. Check for any damage to the cables or the device itself.
9. Warranty and Support
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.
Official Website: www.konnweis.cn
