KONNWEI KW700
KONNWEI KW700 Car Battery Tester with Printer
User Instruction Manual
Model: KW700
1. Introduction
The KONNWEI KW700 is a professional 12V/24V automotive battery tester designed to accurately diagnose the health of various battery types, including regular flooded, lead acid, AGM, GEL, EFB, and lithium batteries. It provides comprehensive analysis of battery health, cranking performance, and charging system efficiency, making it an essential tool for vehicle maintenance and diagnostics.
This manual provides detailed instructions on how to set up, operate, and maintain your KW700 battery tester, ensuring optimal performance and accurate results.
2. What's in the Box
Upon unboxing your KONNWEI KW700, please verify that all the following items are included:
- KONNWEI KW700 Battery Tester with Printer
- Thermal Printing Paper (2 rolls)
- Instruction Manual
- Battery Clip Cable
- USB Cable (for software upgrades and PC printing)

Image: The KONNWEI KW700 battery tester unit, two rolls of thermal printing paper, and the red and black battery clamp cables.
3. Key Features
The KW700 battery tester offers a range of advanced features for comprehensive vehicle battery diagnostics:
- 12V/24V Battery Health Analysis: Compatible with sedans, trucks, RVs, boats, golf carts, lawn mowers, and heavy-duty equipment.
- Multi-Battery Type Support: Tests regular flooded, lead acid, AGM, GEL, EFB, and lithium batteries.
- Built-in Thermal Printer: Generates professional, customizable reports instantly. Includes 2 thermal paper rolls.
- Enhanced Clamps & LCD Color Screen: Features reinforced copper clamps for secure connections and a 2.8-inch color LCD for clear data visualization.
- Smart Battery Health Protection: Performs Cranking Test to verify battery safety and readiness, and Charging Test to optimize charging cycles.
- Easy-Read Indicator Lights: Red (Fault), Yellow (Warning), Green (Normal) lights provide quick test results.
- Wide CCA Range: Supports 10-2000 CCA for various battery tests.
- Lifetime Free Upgrades: Software updates add new parameters and compatibility, ensuring the tester remains current.

Image: The KW700 device displaying its capabilities for 12V & 24V battery, cranking, and charging tests, highlighting its versatility.
4. Safety Information
Always observe the following safety precautions when using the KW700 battery tester:
- Wear appropriate eye protection and protective clothing when working with batteries.
- Ensure the vehicle is in a well-ventilated area.
- Avoid contact with battery acid. If contact occurs, flush immediately with water and seek medical attention.
- Do not smoke or allow sparks or flames near the battery.
- Ensure the battery clamps are connected correctly: Red to positive (+), Black to negative (-). Incorrect connection can damage the tester or battery.
- Do not operate the tester if it appears damaged.
- Keep the tester away from children.
5. Setup and Initial Use
Follow these steps for the initial setup of your KW700 battery tester:
- Insert Thermal Paper: Open the printer cover on the top of the device and insert one roll of thermal paper, ensuring the paper feeds out correctly. Close the cover.
- Connect to Battery:
- Ensure the vehicle's ignition is off and all accessories are turned off.
- Connect the red clamp to the positive (+) terminal of the battery.
- Connect the black clamp to the negative (-) terminal of the battery.
- The tester will power on automatically once connected.
- Language Selection: On the initial screen, use the arrow keys to navigate and the "OK" button to select your preferred language.

Image: A detailed view of the reinforced copper clamps, highlighting their robust design for secure battery connections.
6. Operating Instructions
The KW700 offers several testing modes to assess your battery and charging system.
6.1. Battery Test
This test evaluates the overall health of the battery.
- From the main menu, select "Battery Test".
- Select "In-Vehicle" or "Out-of-Vehicle" based on your testing scenario.
- Select the battery type (e.g., Regular Flooded, AGM Flat Plate, GEL, EFB, Lithium).
- Enter the battery's CCA (Cold Cranking Amps) rating, usually found on the battery label.
- The tester will perform the analysis and display results including State of Health (SOH), State of Charge (SOC), Voltage, Internal Resistance, and CCA value.

Image: The KW700 display showing a comprehensive battery test result, indicating State of Health (SOH), State of Charge (SOC), Voltage, Ripple Analysis, CCA Value, Resistance Test, and Load Test.
6.2. Cranking Test
This test assesses the battery's ability to provide sufficient current to start the engine.
- From the main menu, select "Cranking Test".
- Follow the on-screen prompts to start the engine. The tester will automatically record the cranking voltage and time.
- The results will indicate the cranking voltage, cranking time, and overall cranking performance.
6.3. Charging Test
This test evaluates the vehicle's charging system, including the alternator and voltage regulator.
- From the main menu, select "Charging Test".
- Follow the on-screen instructions, which typically involve starting the engine and increasing RPMs.
- The tester will measure the loaded voltage, unloaded voltage, ripple voltage, and charging status.

Image: A collage of various screens from the KW700, illustrating different functions such as battery location, setting battery rating, battery test results, waveform display, battery type selection, cranking test details, and language settings.
7. Printing Test Reports
The KW700 features a built-in thermal printer for instant, professional reports.
- After completing any test, the results screen will typically show a "Print" option.
- Select "Print" using the navigation buttons and press "OK".
- You can customize the report with information such as "Store Name", "Vehicle Identification No. (VIN)", and "Staff ID" before printing. Use the on-screen keyboard to input details.
- The report will be printed on the thermal paper. Tear off the report carefully.
To print reports via a PC connection, connect the KW700 to your computer using the provided USB cable. Install the necessary software (available on the KONNWEI official website) to manage and print reports from your computer.

Image: The KW700 device with a printed report emerging from its built-in thermal printer, demonstrating the customizable print results feature with fields for store name, VIN, and staff ID.
8. Software Upgrades
The KONNWEI KW700 supports free lifetime software upgrades to ensure compatibility with new battery types and vehicle models, and to add new features.
- Visit the official KONNWEI website to download the latest upgrade tool and firmware.
- Ensure your computer runs Windows 7/8/10/11.
- Connect the KW700 to your computer using the USB cable.
- Follow the instructions provided with the upgrade tool to update your device.

Image: The KW700 battery tester connected via USB to a laptop, symbolizing the availability of free lifetime software upgrades and the ability to print reports through a PC connection.
9. Maintenance
To ensure the longevity and accuracy of your KW700 battery tester:
- Keep the device clean and free from dust and moisture. Use a soft, dry cloth for cleaning.
- Store the tester in a dry, cool place when not in use.
- Inspect the battery clamps and cables regularly for any signs of wear or damage. Replace if necessary.
- Only use genuine KONNWEI thermal paper for the built-in printer to prevent damage to the print head.
10. Troubleshooting
If you encounter issues with your KW700, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Incorrect battery connection; Battery voltage too low. | Ensure clamps are securely connected to the correct battery terminals. Check battery voltage; if extremely low, charge the battery first. |
| Inaccurate test results. | Loose connections; Incorrect battery type/CCA entered; Dirty battery terminals. | Verify clamp connections are tight. Double-check battery type and CCA input. Clean battery terminals. |
| Printer not printing or paper jam. | No paper; Paper inserted incorrectly; Print head dirty. | Check paper supply and re-insert correctly. Gently clean the print head with a cotton swab and alcohol. |
| Red indicator light. | Fault detected (e.g., bad battery, charging system failure). | Refer to the specific test result on the screen for details. This indicates immediate attention is required. |
| Yellow indicator light. | Warning or attention required (non-emergency). | Review test results for recommendations or minor issues that may need monitoring. |

Image: A close-up view of the KW700's indicator lights: Red for fault, Yellow for warning, and Green for normal operation, providing quick visual feedback on test results.
11. Specifications
| Specification | Value |
|---|---|
| Product Dimensions | 3.94 x 1.38 x 7.87 inches |
| Item Weight | 1.68 Pounds |
| Item Model Number | KW700 |
| Brand | KONNWEI |
| Power Source | Corded Electric (powered by battery under test) |
| Style | With Printer |
| Color | Black |
| Working Voltage | 12V / 24V |
| CCA Range | 10-2000 CCA |
| Display | 2.8-inch Color LCD |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Storage Temperature | -20°C to 70°C (-4°F to 158°F) |
12. Warranty and Support
The KONNWEI KW700 Battery Tester is backed by a 2-year warranty, ensuring peace of mind regarding its quality and performance.
For any technical assistance, product inquiries, or warranty claims, KONNWEI provides 24/7 technical support. Please refer to the contact information provided in the product packaging or visit the official KONNWEI website for support details.
Additionally, the device benefits from lifetime free software upgrades, ensuring your tool remains up-to-date with the latest vehicle and battery technologies.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.