Relay Tester | Car Battery Voltage & Alternator Analyzer | 11-25V LED Indicator

This tool checks automotive relays and electrical systems. It works with 11-25V car batteries, showing voltage and alternator status with an LED light. Mechanics and DIYers can use it for quick diagno...
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Questions about this product
- Will this tester work on my 24V truck battery, or is it only for 12V cars?
- It works perfectly on both 12V and 24V electrical systems. The tester supports any automotive battery and relay operating between 11V and 25V. You can use it on standard passenger vehicles and larger diesel trucks.
- What specific tests can I perform on my vehicle using this diagnostic tool?
- You can quickly test automotive relays to ensure they open and close properly. It also measures your battery's voltage and checks if your alternator is charging correctly. The built-in LED indicator gives you immediate visual feedback for each test.
- Can I use this tester on household appliances or high-voltage electric vehicles?
- No, this tool is strictly designed for low-voltage automotive systems between 11V and 25V. Do not use it on household AC outlets or high-voltage hybrid and electric vehicle battery packs. Doing so will damage the device and pose a safety risk.
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