1. Introducció
The OBDResource BM800 is a professional automotive battery tester designed for comprehensive analysis of 6V, 12V, and 24V lead-acid batteries. This device integrates battery testing, cranking system testing, charging system testing, and a built-in thermal printer for instant result documentation. It provides accurate data on battery health, state of charge, voltage, resistance, and more, supporting various battery standards including CCA, IEC, EN, DIN, CA, BCI, MCA, SAE, GB, and JIS.
2. Informació de seguretat
Si us plau, llegiu i comprengui totes les instruccions de seguretat abans de fer servir el dispositiu. Si no segueix aquestes instruccions, es poden produir descàrregues elèctriques, incendis o lesions greus.
- Always wear appropriate eye protection (safety goggles) when working near batteries.
- Ensure adequate ventilation in the work area to disperse explosive gases.
- Eviteu crear espurnes o flames a prop de la bateria.
- Do not touch battery terminals or clamps with bare hands while testing.
- The BM800 features reverse polarity protection, but always ensure correct connection (red to positive, black to negative) to prevent potential damage to the device or vehicle.
- Mantingueu el dispositiu sec i net. No l'exposeu a la pluja ni a la humitat.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al vostre paquet:
- OBDResource BM800 Automotive Battery Tester with Printer
- 3 Rolls of Thermal Printing Paper
- USB Cable (for software updates)
- Manual d'usuari (aquest document)
4. Característiques del producte
The OBDResource BM800 offers a range of advanced features for comprehensive battery diagnostics:
- Funcionalitat 3 en 1: Combines battery testing, cranking system testing, and charging system testing in one device.
- Àmplia compatibilitat de bateries: Supports 6V, 12V, and 24V batteries with CCA ratings from 100 to 2000. Compatible with various battery types including Regular Flooded, AGM Flat Plate, AGM Spiral, GEL, and EFB.
- Integrated Thermal Printer: Allows for immediate printing of test results for record-keeping or customer reports. Includes 3 rolls of printing paper.
- Multiple Test Modes: Performs Standard Test, Cranking Test, Charging Test, Load Test, and Ripple Test.
- Professional Battery Analyzer: Provides accurate and real-time data on State of Health (SOH), State of Charge (SOC), CCA value, voltage, i la resistència interna.
- Operació fàcil d'utilitzar: Simple interface with clear navigation and reverse polarity protection for safe use.
- Advanced Data Functions: Built-in battery multimeter, waveform display, playback of up to 10 test records, and a screenshot function (press 'Up' and 'Down' buttons simultaneously for 5 seconds).
- Broad Standard Support: Compatible with CCA, IEC, EN, DIN, CA, BCI, MCA, SAE, GB, and JIS battery testing standards.
- Pantalla a color d'2.8 polzades: Large, clear display for easy reading of data and graphical representations.
- Lifetime Software Updates: Simple update process via USB connection to a computer (Windows, Mac, Linux, Android compatible) without requiring special drivers or applications.

Figura 4.1: Mésview of BM800 functions including Print Test Result, Cranking Test, Charging Test, Load Test, SOH, SOC, Voltage, Resistance, and Playback. It supports AGM, GEL, EFB, Regular Flooded, and AGM Flat Plate batteries.
5. Configuració
Follow these steps to prepare your BM800 for use:
- Desempaquetar el dispositiu: Carefully remove the BM800 from its packaging.
- Connectar a la bateria: Enganxeu el cl vermellamp al terminal positiu (+) de la bateria i al cl negreamp to the negative (-) terminal. Ensure a secure connection. The device will power on automatically.
- Pantalla inicial: The device will display the main menu. Use the 'Up' and 'Down' buttons to navigate and 'OK' to select.

Figure 5.1: The BM800 connected to a battery, demonstrating the one-key print function and its compatibility with 6V, 12V, and 24V batteries.
6. Instruccions de funcionament
The BM800 offers various testing modes. Navigate through the menu using the directional buttons and confirm selections with the 'OK' button. The 'Back' button returns to the previous screen.
6.1. Navegació del menú principal
Upon powering on, the main menu typically displays options such as 'Battery Test', 'Cranking Test', 'Charging Test', 'Load Test', 'Records', 'Setup', and 'Multimeter'.
6.2. Battery Test (Standard Test)
This test evaluates the overall health of the battery.
- Al menú principal, seleccioneu "Prova de bateria".
- Select the battery type (e.g., Regular Flooded, AGM, GEL).
- Input the battery's rated CCA (Cold Cranking Amps) value, usually found on the battery label.
- The tester will perform the analysis and display results including State of Health (SOH), State of Charge (SOC), CCA, Voltage, i Resistència.

Figure 6.1: Standard Battery Test results showing SOH (State of Health) at 100%, SOC (State of Charge), CCA, Voltage, and Resistance values.
6.3. Prova d'arrencada
This test analyzes the vehicle's starting system.
- Al menú principal, seleccioneu "Prova d'arrencada".
- Seguiu les instruccions que apareixen a la pantalla per engegar el motor del vehicle.
- The tester will measure the cranking voltage and time, providing an assessment of the starter motor's performance.
6.4. Prova de càrrega
This test evaluates the vehicle's charging system (alternator, rectifier, regulator).
- Al menú principal, seleccioneu "Prova de càrrega".
- Seguiu les instruccions que apareixen a la pantalla, que poden incloure accelerar el motor a unes RPM específiques.
- The tester will measure loaded and unloaded voltage, ondulació voltage, and provide a 'Good' or 'Bad' indication for the charging system.
6.5. Load Test
This test assesses the battery's ability to maintain voltage under a simulated load.
- From the main menu, select 'Load Test'.
- The tester will apply a simulated load and measure the battery's response.
- Results will indicate the battery's capacity under load.

Figura 6.2: Visualització examples for Standard Test, Cranking Test, Charging Test, and Load Test, illustrating the data provided for each test type.
6.6. Printing Test Results
After any test, you can print the results directly from the device.
- Once a test is complete and results are displayed, press the 'Print' button (often indicated by a printer icon) on the device.
- The BM800 will print a detailed report of the test.
6.7. Waveform Display
The waveform display allows for visual analysis of voltage fluctuacions.
- Al menú principal, seleccioneu "Forma d'ona".
- The screen will show a real-time graph of voltage al llarg del temps.

Figure 6.3: The 2.8-inch color screen displaying a voltage waveform, illustrating the device's graphical capabilities.
6.8. Records Playback
The device stores up to 10 test records for later review.
- From the main menu, select 'Records'.
- Use the 'Up' and 'Down' buttons to scroll through saved test results.
- Premeu "D'acord" per a view a detailed report of a selected record.
6.9. Funció multímetre
The BM800 includes a basic multimeter function for measuring voltage.
- From the main menu, select 'Multimeter'.
- The screen will display the current voltage lectura.
6.10. Screenshot Function
To capture a screenshot of the current display:
- Simultaneously press and hold the 'Up' and 'Down' buttons for approximately 5 seconds.
- The screenshot will be saved internally and can be accessed during software updates via USB.
7. Manteniment
Proper maintenance ensures the longevity and accuracy of your BM800.
- Neteja: Netegeu el dispositiu amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
- Printer Paper Replacement: When the printer runs out of paper, open the printer cover, remove the old roll, and insert a new thermal paper roll with the print-sensitive side facing the print head. Close the cover securely.
- Actualitzacions de programari: Periodically check the OBDResource website for software updates. Connect the device to a computer via the USB cable and follow the instructions provided on the website to copy update files to the device's removable disk.
- Emmagatzematge: Guardeu el dispositiu en un entorn net i sec, allunyat de temperatures extremes i de la llum solar directa.
8. Solució De Problemes
If you encounter issues with your BM800, refer to the following common problems and solutions:
- El dispositiu no s'encén:
- Assegureu-vos que la bateria clampestan connectats correctament als terminals correctes de la bateria (vermell a positiu, negre a negatiu).
- Verify the vehicle battery has sufficient voltage (above 6V for 6V batteries, 8V for 12V batteries, etc.) to power the device.
- Lectures inexactes:
- Check for loose or corroded battery connections. Clean terminals if necessary.
- Ensure the correct battery type and CCA value are entered for the test.
- Make sure the battery is fully charged before performing a standard battery test for most accurate results.
- La impressora no funciona:
- Check if the thermal paper roll is installed correctly and not empty.
- Ensure the printer cover is closed securely.
- Verify there are no paper jams.
- Device Freezes or Responds Slowly:
- Disconnect and reconnect the device from the battery to perform a soft reset.
- Assegureu-vos que el programari estigui actualitzat.
9. Especificacions
| Característica | Especificació |
|---|---|
| Marca | OBDResource |
| Número de model | BM800 |
| Font d'alimentació | Battery Powered (from vehicle battery) |
| Bateria compatible Voltages | 6 V, 12 V, 24 V |
| Rang de CCA compatible | 100-2000 CCA |
| Mostra | Pantalla a color de 2.8 polzades |
| Dimensions de l'article (L x A x A) | 25.4 x 8.1 x 38.1 centímetres |
| Estàndards suportats | CCA, IEC, EN, DIN, CA, BCI, MCA, SAE, GB, JIS |
| Connectivitat | USB (per a actualitzacions) |
| Components inclosos | BM800 Unit, 3 Thermal Paper Rolls, USB Cable |

Figure 9.1: The BM800 supports various battery standards (CCA, IEC, BIC, MCA, EN, DIN, SAE, GB, CA, JIS) and is suitable for cars, SUVs, trucks, boats, ATVs, motorcycles, golf carts, and lawn mowers.
10. Garantia i Suport
OBDResource products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please contact OBDResource customer support through their official website or the retailer from whom you purchased the product. Please have your model number (BM800) and purchase details ready when contacting support.
