1. Танилцуулга
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 voltagд, дотоод эсэргүүцэл, хүйтэн 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. Аюулгүй байдлын мэдээлэл
- Always wear eye protection and protective clothing when working near batteries.
- Тээврийн хэрэгсэл агааржуулалт сайтай газар байгаа эсэхийг шалгаарай.
- 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. Бүтээгдэхүүн дууссанview
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 Бүрэлдэхүүн хэсэг ба удирдлага

- LCD дэлгэц (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): Цэсний сонголтуудаар дамжуулан навигаци хийхэд ашигладаг.
- 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 Физик шинж чанарууд

- Removable Connector: For easy carrying and stable connection.
- Thick Wire: Durable, up to 150cm in length.
- Silicon Physical Buttons: High durability with sensitive touch.
- Ухаалаг Клamp: Red clip for positive electrode, black clip for negative electrode.
4. Техникийн үзүүлэлтүүд
| Онцлог | Тодорхойлолт |
|---|---|
| Бүтээгдэхүүний нэр | 12V зайны шалгагч |
| Бүтээгдэхүүний загвар | V311B |
| Үндсэн хяналтын чип | APM32F103VCT6 |
| Гадаад өнгө | Цэнхэр |
| Интерфейсийн төрөл | Reverse black and red alligator clips, 1 meter cable |
| Бүрхүүлийн материал | ABS |
| Дэлгэц | 2.8 inch TFT color screen, Resolution: 240*320 |
| Ажлын ботьtage | 9~18V |
| Хэмжилтийн стандартууд | CCA, JIS, GB, SAE, MCA, CA, DIN, IEC, EN, BCI |
| Хэмжилтийн төрөл | Ordinary battery, AGM flat plate, AGM winding, GEL, EFB |
| Бүтээгдэхүүний хэмжээ | 156мм (L) * 88мм (W) * 24мм (H) |
| Баталгаажуулалт | CE |
| Олон хэлтэй | 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
- МСС: 100-2000A
- JIS: 26A17-24SH52
- DIN: 100-1400A
- IEC: 100-1400A
- EN: 100-2000A
- SAE: 100-2000A
- GB: 10-250А
5. Тохиргоо ба анхны хэрэглээ
5.1 Хайрцагнаас задлах
Upon receiving your V311B Battery Tester, carefully open the package and ensure all components are present:
- 1 x V311B Car Battery Tester unit
- 1 х хэрэглэгчийн гарын авлага
- 1 x Safe packing box

5.2 Батерейд холбогдох
- Тээврийн хэрэгслийн гал асаах, бүх хэрэгслүүд унтарсан эсэхийг шалгаарай.
- 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.
- Холбогдсоны дараа шалгагч автоматаар асна.
6. Ашиглалтын заавар
The V311B offers various testing modes to assess your battery's performance.
6.1 Үндсэн цэсийн навигаци
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 Батерейны туршилт
This function evaluates the overall health of the battery.
- Үндсэн цэснээс "Батерейны туршилт"-ыг сонгоно уу.
- 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'.
- Follow the on-screen prompts to start the engine.
- Тестер нь эргүүлэх хүчийг шинжилнэtage and time, providing a result on the starting system's performance.
6.4 Цэнэглэх туршилт
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.
- Тестер нь цэнэглэх хэмжээг хэмжинэtage 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 хэлбэлзэл.
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. Multi-language Support
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
- GEL зай
- EFB Battery
9.2 Vehicle Types
The tester supports 12V car startup lead-acid batteries and 12V system tests for various vehicles.

10. Алдаа засах
- Тестер асахгүй байна: 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.
- Буруу уншилтууд: 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. Засвар үйлчилгээ
- Clean the tester's casing зөөлөн, damp даавуу. Зүлгүүрийн цэвэрлэгч, уусгагчийг бүү ашигла.
- 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.
- Төхөөрөмжийг унагах эсвэл хүчтэй цохилтод оруулахаас зайлсхий.
12. Хэрэглэгчийн зөвлөмж
- 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. Баталгаат хугацаа ба дэмжлэг
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.








