1. Einleitung
The KINGBOLEN BM520 is a versatile 6V/12V/24V car battery tester designed to provide comprehensive health reports for various battery types. This device accurately assesses battery status, cranking performance, and charging system efficiency, making it an essential tool for both professional mechanics and DIY enthusiasts. Its user-friendly interface and robust features ensure reliable diagnostics for a wide range of vehicles.
2. Produktmerkmale
- Umfassender Batterietest: Provides detailed health reports for 6V, 12V, and 24V automotive batteries, including regular flooded, AGM flat plate, AGM spiral, GEL, and EFB batteries. Supports 100-2000 CCA and 2AH-200AH capacities.
- Mehrere Testfunktionen: Includes Battery Test, Cranking Test, Charging Test, and Load Test to evaluate overall battery health and system performance.
- Verpolungsschutz: Features a reversible access design, allowing connection to positive or negative terminals without affecting test results or damaging the device.
- Advanced Diagnostic Features: Built-in multimeter for voltage and resistance testing, and a waveform test to monitor charging/discharging stability.
- Datenverwaltung: Supports waveform detection, recording, and playback (up to 5 memory records), along with a screenshot function (up to 10 images) for data analysis.
- Benutzerfreundliche Anzeige: Equipped with a 2.8-inch HD color screen for clear and concise display of test reports and battery status.
- Lebenslange kostenlose Updates: Software updates are provided free of charge for the lifetime of the product, compatible with Windows, Mac, Linux, and Android operating systems.

Bild: Überview of the KINGBOLEN BM520's multi-functional analyzer menu, showing options like Status of Charge, Cranking Test, Charging Test, Loading Test, Ripple Test, Theme Select, Multimeter, Screen Capture, and Data Storage.

Image: The KINGBOLEN BM520 displaying supported battery types: Regular-flooded, AGM Flat Plate, AGM Spiral, GEL, and EFB, for 6V/12V/24V batteries with 100-2000 CCA.
3. Einrichtung
Before using the KINGBOLEN BM520, ensure your vehicle's engine is turned off. Connect the tester's clamps an den Batteriepolen. Die rote clamp wird mit dem Pluspol (+) verbunden, und der schwarze Steckeramp connects to the negative (-) terminal. The device will power on automatically once connected.

Image: The KINGBOLEN BM520 connected to a car battery, demonstrating its automatic identification of positive and negative terminals, preventing damage from incorrect connections.
4. Bedienungsanleitung
4.1. Batterietest
- Connect the BM520 to the vehicle battery.
- Wählen Sie im Hauptmenü „Batterietest“.
- Choose the appropriate battery type (e.g., Regular Flooded, AGM Flat Plate) from the options.
- Geben Sie den Kaltstartmodus der Batterie ein. Amps (CCA) rating as specified on the battery label. Use the up/down buttons to adjust the value and press OK to confirm.
- The tester will perform the diagnosis and display the battery's State of Health (SOH), State of Charge (SOC), Internal Resistance (R), and Voltage (V).

Image: The KINGBOLEN BM520 displaying battery test results, including State of Health (SOH), State of Charge (SOC), Internal Resistance (R), Existing Battery Capacity (CCA), Standard Battery Capacity (STD), and Voltage (V).
4.2. Kurbeltest
The Cranking Test evaluates the vehicle's starting system.
- Wählen Sie im Hauptmenü „Anlasstest“.
- Folgen Sie den Anweisungen auf dem Bildschirm, um den Motor zu starten.
- The tester will analyze the actual cranking voltage and time, providing a diagnosis of the starting system's condition.
4.3. Ladetest
The Charging Test assesses the performance of the vehicle's charging system, including the alternator.
- Wählen Sie im Hauptmenü „Ladetest“.
- Follow the instructions on the screen to increase the engine speed to 2500 RPM for 5 seconds.
- The BM520 will diagnose the charging system's voltage status and ripple, indicating if it's normal or requires attention.

Image: The KINGBOLEN BM520 connected to a car, showing the display during a Charging Test (top) and a Cranking Test (bottom), indicating the steps and results for each.
4.4. Waveform Test
The Waveform Test allows real-time monitoring of battery voltage ändert.
- Wählen Sie im Hauptmenü „Wellenform“ aus.
- The device will display a real-time graph of the battery's voltage, helping to identify any instability during charging or discharging.
- The BM520 supports recording and playback of up to 5 waveform data sets.

Image: The KINGBOLEN BM520 screen showing multimeter functions, a starter test chart, and a real-time voltage waveform graph, highlighting its diagnostic capabilities.
4.5. Screenshot-Funktion
To capture important test results or waveforms, use the screenshot function.
- Press and hold the "Up" and "Down" buttons simultaneously for 5 seconds to take a screenshot.
- Das Gerät kann bis zu 10 Screenshots speichern.

Image: Illustration of the KINGBOLEN BM520's screenshot function, showing how to press the 'Up' and 'Down' arrows simultaneously to capture the screen. The device can store up to 10 images.
4.6. Unterstützte Sprachen
The KINGBOLEN BM520 supports multiple languages for user convenience. You can select your preferred language from the setup menu.
Video: This video demonstrates how to use the KINGBOLEN BM520 battery tester, including selecting battery type, adjusting CCA values, performing battery tests, cranking tests, and charging tests, and navigating language settings.
5. Wartung
5.1. Software-Updates
The KINGBOLEN BM520 offers lifetime free software updates to ensure optimal performance and compatibility with new battery technologies. To update the device:
- Connect the BM520 to your computer via a USB cable.
- Das Gerät wird als Wechseldatenträger angezeigt.
- Copy and paste the downloaded update files into the removable disk.
- No driver installation or update application is required.
The device is compatible with Windows, Mac, Linux, and even Android phones.

Image: The KINGBOLEN BM520 connected to a laptop via USB, illustrating the lifetime free update process and highlighting compatibility with various operating systems like Windows, Mac, Linux, and Android.
6. Fehlerbehebung und wichtige Hinweise
- Motor aus: Always ensure the vehicle engine is turned off before performing any battery tests.
- Keine interne Batterie: The BM520 does not require an internal battery; it draws power directly from the vehicle's battery.
- Loose Connection Warning: The device provides an on-screen reminder if the clamp connection is loose, ensuring accurate readings.
- Kontaktieren Sie den Support: If you encounter any questions or issues during the testing process, please contact KINGBOLEN customer support for assistance.
7. Spezifikationen
| Spezifikation | Wert |
|---|---|
| Marke | KINGBOLEN |
| Modell | KBL520 (BM520) |
| Stromquelle | Batteriebetrieben (vom Fahrzeug) |
| Stil | Batterietester |
| Farbe | Schwarz |
| Mindest. Betriebsvoltage | 4.9 V |
| Obere Temperaturgrenze | 65 Grad Celsius |
| Messtyp | Voltmeter, Ohmmeter |
| Unterstützte Standards | CCA, IEC, EN, DIN, CA, BCI, MCA, SAE, GB, JIS |
| Akkukapazitätsbereich | 100-2000 CCA / 2AH-200AH |
8. Garantie und Support
The KINGBOLEN BM520 comes with a 2-year warranty, ensuring peace of mind with your purchase. We are committed to providing reliable products and excellent customer service.
For any technical assistance, questions regarding operation, or warranty claims, please contact KINGBOLEN customer support. Our engineers are available to help you within 24 hours.