1. Introduction
The E-FAST 12V 24V Car Battery Tester is an intelligent diagnostic tool designed for comprehensive analysis of various lead-acid starter batteries. It provides accurate and fast detection of battery status, including State of Health (SOH), State of Charge (SOC), Cold Cranking Amps (CCA) value, Internal Resistance (IR), and voltage. This manual will guide you through the proper use and maintenance of your battery tester.
E-FAST 12V 24V Car Battery Tester with red clamps.
Two views of the E-FAST Car Battery Tester (orange version).
2. Features
- Comprehensive Battery Analysis: Detects SOH, SOC, CCA Value, Internal Resistance (IR), Voltage, Electric Quantity, and Discharge Current.
- Wide Application Range: Compatible with 12V-24V lead-acid starter batteries, including regular flooded, EFB, AGM tablet, AGM winding, GEL, and WET types. Suitable for automobiles, electric vehicles, motorcycles, trucks, engineering vehicles, and agricultural vehicles.
- High Accuracy: Equipped with an intelligent chip for precise and fast detection data.
- User-Friendly Design: Large HD LCD screen for clear display of all detection contents simultaneously, eliminating the need for constant scrolling. Simple one-key measurement operation.
- Multiple Protections: Features overvoltage input protection and reverse connection protection to prevent damage to the device and battery. Includes tips for poor contact.
- Quick Detection: Tests are completed in approximately 10 seconds.
Intelligent Battery Tester highlighting internal resistance, voltage, residual life, electric quantity, and discharge current detection.
Large HD screen display showing SOH, SOC, IR, VOLT, EDC, and CCA standards.
Intelligent chip control ensures high detection accuracy and fast data processing.
3. Specifications
| Attribute | Value |
|---|---|
| Brand Name | YIQIXIN |
| Origin | Mainland China |
| Certification | CE |
| Main Function | Car battery test |
| Applicable Battery | 12V-24V Lead-acid batteries (excluding lithium batteries) |
| Test Range | 3AH - 200Ah |
| Test Results | SOH, SOC, CCA Value, IR, etc. |
| Test Standards | SAE, DIN, IEC, EN, CA, JIS |
| Voltage Measure Range | 8-30VDC |
| Housing Material | ABS plastic |
| Dimensions | 153 × 90 × 38mm |
| Net Weight | 0.39KG |
Detailed product parameters including applicable battery types, working voltage, dimensions, net weight, and test capacity range.
The tester is applicable to 12V-24V lead-acid batteries in various vehicles and battery types.
Table comparing battery capacity (AH) with corresponding Cold Cranking Amps (CCA) values.
4. Safety Information
- Always connect the red clamp to the positive (+) battery terminal and the black clamp to the negative (-) battery terminal.
- Ensure a secure connection to avoid inaccurate readings or damage.
- Do not short-circuit the clamps.
- Keep the device away from water, moisture, and extreme temperatures.
- Do not attempt to open or modify the device. Refer all servicing to qualified personnel.
- Wear appropriate personal protective equipment (PPE) such as safety glasses and gloves when working with batteries.
- Batteries can produce explosive gases; ensure adequate ventilation.
The tester features overvoltage input protection, reverse connection protection, and poor contact tips for enhanced safety.
5. Package Contents
Please check the package for the following items:
- E-FAST Car Battery Tester Unit
- User Manual (this document)
6. Setup
- Prepare the Battery: Ensure the battery terminals are clean and free from corrosion for optimal contact.
- Connect the Clamps: Connect the red (+) clamp of the tester to the positive (+) terminal of the battery. Connect the black (-) clamp of the tester to the negative (-) terminal of the battery.
- Power On: The tester will automatically power on once correctly connected to the battery.
Connect the positive and negative clamps to the battery. Detection is completed in 10 seconds.
7. Operating Instructions
7.1 Performing a Battery Test
- After connecting the tester as described in Section 6, the device will power on and display the main menu or start an automatic test.
- Use the navigation buttons (Up/Down arrows) to select the desired battery type (e.g., STD, AGM, GEL, EFB).
- Adjust the CCA value to match your battery's rating using the Up/Down arrows.
- Press the 'ENTER' button to start the test.
- The test results will be displayed on the large HD screen within approximately 10 seconds.
The intelligent chip simplifies operation, allowing for one-key measurement.
7.2 Interpreting Test Results
The tester displays multiple data points to help you understand your battery's condition:
- SOH (State of Health): Indicates the overall health of the battery, typically shown as a percentage.
- SOC (State of Charge): Shows the current charge level of the battery, also as a percentage.
- CCA Value (Cold Cranking Amps): The measured CCA of the battery, compared to its rated CCA.
- IR (Internal Resistance): A lower internal resistance generally indicates a healthier battery.
- VOLT (Voltage): The current voltage of the battery.
- EDC (Discharge Current): Detectable discharge current.
The display will also provide a general status such as 'PERFECT', 'GOOD', 'BAD', 'REPLACE', or 'RECHARGE'.
The tester can detect and display internal resistance, voltage, discharge current, battery power, and battery life.
7.3 Why Test Your Battery?
A common issue is a car failing to start, which might be due to a dead battery or other power-consuming devices. The E-FAST battery tester helps accurately determine the battery's condition, preventing unnecessary battery replacements and identifying if other issues are draining power.
The tester helps determine if your battery needs replacement or if other devices are consuming too much power.
7.4 Product Video Demonstration
Demonstration of the E-FAST Car Battery Tester's features and operation.
8. Maintenance
- Clean the tester's housing with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Keep the battery clamps clean and free of debris to ensure good electrical contact.
- Store the device in a cool, dry place when not in use.
- Avoid dropping the tester or subjecting it to strong impacts.
9. Troubleshooting
- Tester does not power on: Ensure the clamps are correctly and securely connected to the battery terminals. Check if the battery has sufficient voltage (above 8V).
- Inaccurate readings: Clean battery terminals and tester clamps. Ensure the correct battery type and CCA rating are selected in the tester's settings.
- "Poor Contact" message: Re-attach the clamps firmly to the battery terminals, ensuring full contact.
- Reverse connection warning: Disconnect immediately and re-connect the red clamp to positive (+) and black clamp to negative (-). The device is protected against reverse polarity.
10. User Tips
- For consistent results, always test the battery when it is fully charged and has rested for at least 30 minutes after charging or use.
- If your battery consistently shows a 'RECHARGE' status, consider checking your vehicle's charging system (alternator) for proper function.
- Keep a record of your battery test results over time to monitor its degradation and anticipate replacement needs.
11. Warranty and Support
This product comes with a standard manufacturer's warranty. For warranty claims, technical support, or service inquiries, please contact the seller or refer to the contact information provided at the point of purchase. Please retain your proof of purchase for warranty validation.
