JFIND V311B 12V Car Battery Tester User Manual

1. Introduction

The JFIND V311B 12V Car Battery Tester is an advanced automotive diagnostic tool designed for quick and accurate analysis of 12V car batteries. Featuring a 2.8-inch color display, it provides essential data such as voltage, internal resistance, cold cranking amp (CCA), and battery health. This device is user-friendly and supports multiple languages and battery standards, making it a versatile tool for both professionals and DIY enthusiasts.

2. Safety Information

• Always wear eye protection and protective clothing when working near batteries.
• Ensure the vehicle is in a well-ventilated area.
• Avoid sparks or open flames near the battery, as batteries can produce explosive gases.
• Do not touch the battery terminals with bare hands.
• Ensure the tester's clamps are connected correctly: red to positive (+), black to negative (-). Reverse polarity can damage the tester and the battery.
• Keep the tester dry and clean. Do not expose it to moisture or extreme temperatures.

3. Product Overview

The V311B Battery Tester is designed for ease of use and durability. It features a robust ABS shell, silicon physical buttons, and a clear color display.

3.1 Components and Controls

• LCD Display (1): 2.8-inch TFT color screen (240*320 resolution) for displaying test results and menu options.
• Back Button (ESC) (2): Used to return to the previous menu or exit a function.
• OK Button (3): Used to confirm selections or enter a menu.
• Scroll Up/Down Buttons (4, 7): Used to navigate through menu options.
• Scroll Left/Right Buttons (5, 6): Used for navigation or adjusting values.
• Battery Test Connector (8): Connects to the battery via alligator clips.

3.2 Physical Features

• Removable Connector: For easy carrying and stable connection.
• Thick Wire: Durable, up to 150cm in length.
• Silicon Physical Buttons: High durability with sensitive touch.
• Intelligent Clamp: Red clip for positive electrode, black clip for negative electrode.

4. Specifications

4.1 Supported Battery Standards and Test Ranges

• CCA: 100-2000A
• BCI: 100-2000A
• CA: 100-2000A
• MCA: 100-2000A
• JIS: 26A17-24SH52
• DIN: 100-1400A
• IEC: 100-1400A
• EN: 100-2000A
• SAE: 100-2000A
• GB: 10-250Ah

5. Setup and Initial Use

5.1 Unboxing

Upon receiving your V311B Battery Tester, carefully open the package and ensure all components are present:

• 1 x V311B Car Battery Tester unit
• 1 x User Manual
• 1 x Safe packing box

5.2 Connecting to the Battery

1. Ensure the vehicle's ignition is off and all accessories are turned off.
2. Connect the red alligator clip to the positive (+) terminal of the 12V battery.
3. Connect the black alligator clip to the negative (-) terminal of the 12V battery.
4. The tester will power on automatically once connected.

6. Operating Instructions

The V311B offers various testing modes to assess your battery's performance.

6.1 Main Menu Navigation

Use the Scroll Up/Down/Left/Right buttons to navigate through the menu options on the 2.8-inch color display. Press the OK button to select an option and the ESC button to go back.

6.2 Battery Test

This function evaluates the overall health of the battery.

1. From the main menu, select 'Battery Test'.
2. Choose the battery type (e.g., Regular battery, AGM Flat Plate, AGM Winding, GEL, EFB).
3. Select the measurement standard (e.g., CCA, JIS, EN).
4. Input the rated CCA value of your battery as prompted.
5. The tester will display results including voltage, rated value, measured value, internal resistance, state of health (SOH), and state of charge (SOC).

6.3 Cranking Test (Starting Status)

This test checks the battery's ability to crank the engine.

1. From the main menu, select 'Start Test'.
2. Follow the on-screen prompts to start the engine.
3. The tester will analyze the cranking voltage and time, providing a result on the starting system's performance.

6.4 Charging Test

This test evaluates the vehicle's charging system (alternator).

1. From the main menu, select 'Charge Test'.
2. Follow the on-screen prompts to run the engine at specified RPMs.
3. The tester will measure the charging voltage and ripple, indicating if the alternator is functioning correctly.

6.5 Waveform Analysis

The V311B supports viewing battery waveform analysis for detailed diagnostics.

1. From the main menu, select 'Wave'.
2. The screen will display a real-time graph of the battery voltage, allowing for visual inspection of voltage fluctuations.

7. Data Printing Function

The V311B allows you to save and print test results for record-keeping or sharing.

1. Perform the desired battery test.
2. Connect the V311B tester to a computer using a USB cable (not always included, check package contents).
3. Install any necessary drivers or software on your computer (refer to the manufacturer's website if not provided).
4. From the V311B's menu, select 'Print'.
5. Follow the on-screen instructions on both the tester and your computer to print the stored data to a connected printer.

8. Multi-language Support

The V311B Battery Tester supports 9 different languages for user convenience.

1. From the main menu, select 'Setting'.
2. Navigate to 'Language' option.
3. Select your preferred language from the list: English, Chinese, Portuguese, Italian, French, German, Spanish, Polish, Russian.

9. Supported Battery Types and Vehicles

The V311B is compatible with a wide range of 12V batteries and vehicles.

9.1 Battery Types

• Ordinary Lead-Acid Battery
• AGM Flat Plate Battery
• AGM Winding Battery
• GEL Battery
• EFB Battery

9.2 Vehicle Types

The tester supports 12V car startup lead-acid batteries and 12V system tests for various vehicles.

10. Troubleshooting

• Tester does not power on: Ensure the alligator clips are securely connected to the battery terminals (red to positive, black to negative). The battery must have sufficient charge (above 9V) for the tester to power on.
• Inaccurate readings: Check for clean and tight connections between the clamps and battery terminals. Ensure the battery type and standard selected in the tester match your battery's specifications.
• Printing issues: Verify the USB connection to the computer and printer. Ensure the correct drivers are installed on your computer.
• Screen frozen: Disconnect the tester from the battery, wait a few seconds, and reconnect. If the issue persists, contact support.

11. Maintenance

• Clean the tester's casing with a soft, damp cloth. Do not use abrasive cleaners or solvents.
• Keep the alligator clips clean and free of corrosion for optimal conductivity.
• Store the tester in a dry, cool place away from direct sunlight and extreme temperatures.
• Avoid dropping the device or subjecting it to strong impacts.

12. User Tips

• For consistent results, always test the battery when it is fully charged or at a consistent state of charge.
• If testing a battery that has just been charged, allow it to rest for at least 30 minutes before testing to get more accurate readings.
• When performing a cranking test, ensure the engine starts successfully to get a complete analysis of the starting system.
• Regularly check your battery's health, especially before long trips or during seasonal changes, to prevent unexpected breakdowns.

13. Related Model: KONNWEI KW208 Battery Analyzer

The KONNWEI KW208 is another 12V car battery tester that offers similar diagnostic capabilities. It can effectively analyze and read important car data such as voltage, internal resistance, cold cranking amp (CCA), AH capacity, battery health, and charge status. It provides accurate results for quicker, more precise car repairing.

13.1 KONNWEI KW208 Functions:

• Provides test results: Good, Recharge, or Replace.
• Measures Cold Cranking Amps (CCA), DIN, EN, and IEC information.
• Displays internal resistance (mΩ) and battery life percentage (%).
• Tests cranking system and charging system.
• Allows recording and re-playing battery data.
• Supports major battery standards: CA, CCA, BCL, MCA, JIS, SAE, EN, DIN, and IEC.

13.2 KONNWEI KW208 Multi-language Support:

The KONNWEI KW208 supports 8 languages: English, German, French, Dutch, Russian, Spanish, Italian, Portuguese.

13.3 KONNWEI KW208 Package Contents:

• 1 x KW208 Battery Tester unit
• 1 x Instruction Manual
• 1 x Safe packing box

14. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the contact details provided in your product packaging or visit the official JFIND website. Ensure you have your product model and serial number ready when contacting support.