1. Bubuka
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, lalawanan internal, cranking tiis 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. Émbaran Kasalametan
- Salawasna nganggo pelindung panon sareng pakean pelindung nalika damel caket batré.
- Pastikeun kendaraan aya di daérah anu berventilasi saé.
- Ulah nepi ka aya percikan api atawa seuneu nu muka di deukeut batréna, sabab batréna bisa ngahasilkeun gas nu bisa ngabeledug.
- 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.
- Jaga alat uji tetep garing sareng bersih. Ulah kakeunaan ka lembab atanapi suhu anu ekstrim.
3. Produk Langkungview
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 Komponén jeung kadali

- 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): Dipaké pikeun nganapigasi ngaliwatan pilihan ménu.
- 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 Fitur Fisik

- Removable Connector: For easy carrying and stable connection.
- Thick Wire: Durable, up to 150cm in length.
- Silicon Physical Buttons: High durability with sensitive touch.
- Calakan Clamp: Red clip for positive electrode, black clip for negative electrode.
4. Spésifikasi
| Fitur | Katerangan |
|---|---|
| Ngaran produk | 12V Batré Tester |
| Modél produk | V311B |
| Chip Control Utama | APM32F103VCT6 |
| Warna Penampilan | Biru |
| Tipe panganteur | Reverse black and red alligator clips, 1 meter cable |
| Bahan cangkang | ABS |
| tampilan | 2.8 inch TFT color screen, Resolution: 240*320 |
| Gawé Voltage | 9 ~ 18V |
| Standar Pangukuran | CCA, JIS, GB, SAE, MCA, CA, DIN, IEC, EN, BCI |
| Tipe Pangukuran | Ordinary battery, AGM flat plate, AGM winding, GEL, EFB |
| Ukuran produk | 156mm (L) * 88mm (W) * 24mm (H) |
| Sertifikasi | CE |
| Multi-basa | English, Russian, Chinese, Portuguese, Italian, French, German, Spanish, Polish |

4.1 Supported Battery Standards and Test Ranges

- CCA: 100-2000A
- BCI: 100-2000A
- CA: 100-2000A
- CAM: 100-2000A
- JIS: 26A17-24SH52
- DIN: 100-1400A
- IEC: 100-1400A
- EN: 100-2000A
- SAE: 100-2000A
- GB: 10-250Ah
5. Setup jeung Pamakéan Awal
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 Manual Pamaké
- 1 x Safe packing box

5.2 Nyambungkeun kana Batré
- Pastikeun ignition kendaraan pareum sareng sadaya asesoris dipareuman.
- Connect the red alligator clip to the positive (+) terminal of the 12V battery.
- Connect the black alligator clip to the negative (-) terminal of the 12V battery.
- The tester will power on automatically once connected.
6. Parentah Operasi
The V311B offers various testing modes to assess your battery's performance.
6.1 Napigasi Menu Utama
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 Tés batré
This function evaluates the overall health of the battery.
- Tina ménu utama, pilih 'Tés Batré'.
- Choose the battery type (e.g., Regular battery, AGM Flat Plate, AGM Winding, GEL, EFB).
- Select the measurement standard (e.g., CCA, JIS, EN).
- Input the rated CCA value of your battery as prompted.
- 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.
- From the main menu, select 'Start Test'.
- Turutan parentah dina layar pikeun ngamimitian mesin.
- Panguji bakal nganalisis voltase engkoltage and time, providing a result on the starting system's performance.
6.4 Nguji Ngecas
This test evaluates the vehicle's charging system (alternator).
- From the main menu, select 'Charge Test'.
- Follow the on-screen prompts to run the engine at specified RPMs.
- 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.
- From the main menu, select 'Wave'.
- The screen will display a real-time graph of the battery voltage, allowing for visual inspection of voltage turun naek.
7. Data Printing Function
The V311B allows you to save and print test results for record-keeping or sharing.
- Perform the desired battery test.
- Connect the V311B tester to a computer using a USB cable (not always included, check package contents).
- Install any necessary drivers or software on your computer (refer to the manufacturer's website if not provided).
- From the V311B's menu, select 'Print'.
- Follow the on-screen instructions on both the tester and your computer to print the stored data to a connected printer.

8. Dukungan Multi-basa
The V311B Battery Tester supports 9 different languages for user convenience.
- From the main menu, select 'Setting'.
- Navigate to 'Language' option.
- 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
- Batre GEL
- EFB Battery
9.2 Vehicle Types
The tester supports 12V car startup lead-acid batteries and 12V system tests for various vehicles.

10. Cara ngungkulan
- Alat panguji teu hurung: 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.
- Bacaan teu akurat: 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.
- Layar beku: Disconnect the tester from the battery, wait a few seconds, and reconnect. If the issue persists, contact support.
11. Pangropéa
- Clean the tester's casing kalawan lemes, damp lawon. Ulah make cleaners abrasive atawa pangleyur.
- Keep the alligator clips clean and free of corrosion for optimal conductivity.
- Simpen panguji dina tempat anu garing sareng tiis jauh tina sinar panonpoé langsung sareng suhu anu ekstrim.
- Hindarkeun ngaragragkeun alatna atanapi mangaruhan kana tabrakan anu kuat.
12. Tips pamaké
- 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.
14. Garansi jeung Rojongan
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.








