Car Battery Checker Electronic Car Relay Tester Car Tester

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Why buy?

The tester will automatically detect the pin position, the release time of the action, and the consistency of the relay in each test phase. If the tester lights up the green LED light, the relay is normal; if the red LED light is on, the relay is abnormal.
First, clip the alligator clip of the tester to the car battery, the black clip on the negative pole, and the red clip on the positive pole. When the red LED light is on, it means the tester can start the test. Check the relay before testing. Select the appropriate socket according to the pins, insert the relay into sockets, press the "Test" button, and the tester will automatically detect the pin position of the unknown relay.
Suitable for most general-purpose automotive relays on the market. When testing, it needs to be connected to the car's 11V-15V battery. The car battery must be a 12V battery, and the battery voltage must be between 11V-15V; 2. The applicable coil resistance is preferably above 20 ohms.
Our automotive Relay tester is small and easy to carry around for on-the-go jobs or for easy storage. Its compact design allows easy use no matter where you are.
With our patented design this relay tester will give you the results you need quickly and easily.
  • Made of plastic and metal materials, strong and durable.
  • Fine workmanship, good performance and easy operation.
  • Test to properly control the opening and closing of the relay.
  • The tester observes the contact data, closing time, relay inertia, etc. during each test phase.
  • Small size, compact structure, easy to carry and use.


Material: Plastic, Metal
Color:  Red
Voltage: 12V
Dimensions: About 110 Mm X 60 Mm X 28 Mm

1. The Tester Is Designed To Test The Condition Of Automotive Relays.
2. Test To Properly Control The Opening And Closing Of The Relay.
3. If The Relay Is Abnormal, The Red LED Will Light Up, Which Is Normal, And The Green LED Will Light Up.
4. Provide A Convenient And Intuitive Diagnosis Method, Which Is Time-Saving And Economical.
5. Small Size, Compact Structure, Easy To Carry, You Can Test Anywhere.

The Car Battery Must Be A 12V Battery, And The Voltage Must Be Between 11-15V. The Coil Resistance Is Preferably At Least 20 Ohms.
Due To Manual Measurement, Please Allow An Error Of 0-1 Cm.
The Color Of The Items Shown In The Photo May Be Slightly Different On The Computer Monitor Because The Monitor'S Calibration Is Different.

Package Included:
1 X Relay Tester

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