LED Indicator Light Car Battery Checker Electronic Test Car Relay Tester Diagnostic Tools Automotive Accessories Universal 12V
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Specifications
- Brand Name
- NONE
- Use
- Not Telecommunication
- Origin
- Mainland China
- High-concerned chemical
- None
- Is Batteries Included
- No
- External Testing Certification
- ce
- Material
- ABS
- Item Length
- 10.5
- Certification
- CE
- Item Type
- Battery Testers
- Special Features
- Car Relay Tester
- Item Width
- 6
- Model Name
- 24417
- Item Height
- 2.5
- Item Weight
- 148
- Voltage
- 11-15V
- Electronic
- No
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- Choice
- yes
Product Description
ntroduction:
CNBJ-707 is a quick go/no-go tester relays that provides with indication of the general health and functioning of the most common Automotive relays.
Tester will check for proper functioning of the relay contacts by connecting the car battery (11V--15V) to the relay coil. Tester will watch the pin configuration,the time to contacts closure and opening, consistency of the relay during each test session, Tester will light the GREEN LED if all passed during the test session,if not light the RED LED.
1. Connect the power leads to the car battery --black alligator clip to negative terminal, red alligator clip to positive terminal.
2. Tester is powered up when the LED illuminates in RED.
3. Check the relay before plugging into the tester. If it's a 4 pin relay,select"4 pin" on the tester.If it's a 5 pin relay, select"5 pin"on the tester.
4. Plug in the relay into one of the three receptacles.
5. Press the "TEST" button.
6. Tester will check the pin configuration of the unknown relay. Tester will light the RED LED if the unkonwn relay is not the same to the most of common automotive relaysor the pin of the unknown relay is destroyed.
7.Tester will open and close the relay 10 times for testing the time to contacts closure and opening if the pin configuration of the relay is right. Tester will light the RED LED immediately if the time is overtime.
8. Tester will check the consistency of the relay after testing the time to contacts closure and opening ten times. Tester will light the GREEN LED if the test passed, if not light the RED LED.
9. Disconnect power leads from the car battery and remove relay from the tester.
1. The car battery must be 12V battery, and the voltage of the battery is among 11V-15V.
2. Ideal for coil resistance above 20 ohms.
1 x Car Relay Tester
Pros & Cons
Pros
- Wide compatibility with dozens of automotive and powersport brands, making it useful for most personal vehicle owners
- LED indicator lights provide quick, clear go/no-go test results for relays and battery health
- Compact, lightweight design (only 148g) makes it easy to carry and store in a vehicle toolkit
- CE certified for safety, ensuring it meets international electronic testing standards
Cons
- Does not include any batteries, so users must supply their own 12V car battery for testing
- Only designed for 11-15V systems, so it cannot be used on 24V heavy-duty trucks or other higher-voltage vehicles
- Full product description is cut off in the listing, so some advanced technical details may be missing
- No included storage case to protect the tester from damage during transport
Common Questions
What material is this car relay and battery checker built with?
This automotive diagnostic tool is constructed from durable ABS plastic, designed to withstand automotive workspace conditions.
What are the exact dimensions and weight of this 12V tester?
The product measures 10.5 (length) x 6 (width) x 2.5 (height) (units likely cm) and has a total weight of 148g.
What types of vehicles is this 12V car tester compatible with?
It is compatible with most passenger cars, motorcycles, RVs, trailers, boats, and over 20 major automotive and powersport brands as listed in the product specifications.
What functions does this diagnostic tool perform?
This tool tests automotive relay functionality and 12V car battery health, using LED indicator lights to provide clear, easy-to-read test results.
Where does this tester ship from, and does it include any required batteries?
This item ships from Mainland China, and it does not include any batteries for operation per product details.
Product information last updated on November 28, 2025