KONNWEI 2 In 1 Car Relay Tester Battery Tester, KW371

Check battery condition and compatible automotive relays.

The KONNWEI KW371 combines battery-system analysis and off-vehicle relay testing in one device.

Battery testing: Supports 6V, 12V and 24V automotive starting batteries, including standard lead-acid, AGM and gel types.

Starting and charging checks: Analyze cranking performance and the charging system.

Battery readings: View battery-condition results and voltage information on the display.

Relay compatibility: Test compatible 12V and 24V four-pin and five-pin electromechanical relays outside the vehicle.

Relay results: LED indicators show the test result. The relay tester draws power through the vehicle-battery clips.

Confirm compatibility before connecting. Follow the manufacturer’s instructions for the selected battery type, relay layout and test procedure.