Konnwei KW520: Car Battery Tester, Charger & Pulse Repair Tool
The Konnwei KW520 is an advanced, multi-functional device utilizing the latest technology to easily, quickly, and accurately measure cold-start cranking capability, battery condition, and common faults in starting and charging systems. It aids in efficiently diagnosing and repairing vehicle issues.
The charger is designed for 12V and 24V lead-acid batteries ranging from 4Ah to 150Ah. Always check the battery manufacturer's specifications before use.
Key Features
- Tests all lead-acid starter batteries, including standard lead-acid, AGM flat plate, AGM spiral, gel, and lithium batteries (LiFePO4).
- Directly detects faulty battery cells.
- Reverse polarity protection: incorrect connection will not damage the device, vehicle, or batteries.
- Tests batteries with low charge; full charge is not required before testing.
- Supports most international battery standards: CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE.
- Multi-language support: English, German, French, Dutch, Russian, Spanish, Italian, Portuguese.
Product Functions
The KW520 functions as a battery tester, cranking system tester, charging system tester, and includes additional features.
Battery Testing
The device analyzes battery health to accurately measure cold-cranking amps and lifespan. It can predict the need for battery replacement due to aging.
Cranking Test
This test checks and analyzes the starter motor. It verifies the required starting current and the starter motor's operating current, indicating if it functions correctly. Improper starting can lead to increased torque or starter motor rotor friction.
Charging Test
This test analyzes the charging system, including the generator, rectifier, and rectifier diodes. It checks if the generator output voltage is normal and if the rectifier diode functions correctly. Issues can lead to overcharging or incomplete charging, potentially damaging the battery and other connected devices.
Battery Repair
The KW520 can repair batteries by correcting aging effects, detecting sulfation and acidic crystallization. It restores lost battery performance using pulse voltage and current at specific frequencies.
Important Note: The repair function should not be used when the battery is connected to the vehicle, as the pulse voltage can damage the vehicle's electrical components.
To initiate battery repair:
- Connect the red clamp to the positive (+) battery terminal and the black clamp to the negative (-) terminal. Reverse connection will not damage the battery but will prevent charging or repair.
- Connect the KONNWEI KW520 to a 100-240V/50-60Hz power source.
- From the Main Menu, select "Battery Repair". The device will automatically generate pulse current and voltage to repair the battery and improve its performance.
Battery Charging
The KW520 can charge all types of lead-acid starter batteries.
To charge a battery:
- Connect the red clamp to the positive (+) battery terminal and the black clamp to the negative (-) terminal.
- Connect the device to a 100-240V/50-60Hz power source.
- From the Main Menu, select "Battery Charge". The KW520 automatically charges the battery with 7-step output and maintains a minimal trickle current, preventing overcharging or overheating.
Battery Testing Procedures
Navigate the menus using the UP/DOWN buttons and confirm selections with ENTER.
In-Vehicle Battery Test
- From the Main Menu, select "Check" and press ENTER.
- Select "In-Vehicle" or "Out-of-Vehicle" for battery location and press ENTER.
- If charging surface is detected, the device may prompt to "Turn on lights" to eliminate charging surfaces. Follow on-screen instructions.
- Select the battery type (e.g., regular, AGM flat, AGM spiral, gel, EFB).
- Select the appropriate test standard (CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE) and parameters matching the battery.
Out-of-Vehicle Battery Test
Follow similar steps as the In-Vehicle test, ensuring the "Out-of-Vehicle" option is selected.
Test Standards Explained
- CCA: Cold Cranking Amps, specified by SAE & BCI, commonly used for starter batteries at 0°F (-18°C).
- BCI: Battery Council International standard.
- CA: Cranking Amps, effective starting current at 0°C.
- MCA: Marine Cranking Amps, effective starting current at 0°C.
- JIS: Japanese Industrial Standard, represented by alphanumeric codes (e.g., 55D23, 80D26).
- DIN: Standard of the German Committee for the Automotive Industry.
- IEC: International standard of the International Electrotechnical Commission.
- EN: Standard of the European Automobile Manufacturers Association.
- SAE: Standard of the Society of Automotive Engineers.
Interpreting Test Results
The device displays results such as STD (Standard), SOH (State of Health), SOC (State of Charge), and Resistance (R).
- GOOD BATTERY: The battery is in good condition and ready for use.
- GOOD RECHARGE: The battery is good but requires charging.
- REPLACE: The battery is near or at the end of its lifespan and should be replaced to prevent potential hazards.
- BAD CELL: The battery is damaged, has a faulty cell, or is short-circuited and needs replacement.
- CHARGE-RETEST: An unstable battery should be charged and retested. If the result remains the same after charging, the battery is considered damaged and requires replacement.
Note for In-Vehicle "REPLACE" results: Ensure the vehicle's battery cable is properly connected. If unsure, disconnect the cable and re-test in "Out-of-Vehicle" mode before deciding to replace the battery.
Reviewing Test Results
Navigate to "Review" in the Main Menu to view the last test result or delete stored results.
Service Procedures
For any questions, please contact your local store, distributor, or visit the website: www.lechpol.pl
Distributor: LECHPOL ELECTRONICS LESZEK SP.K.
