Yctze Relay Tester: A Professional Automotive Diagnostic Tool for 12V Relays

For automotive professionals and DIY enthusiasts alike, the Yctze Relay Tester is a compact yet powerful tool designed to quickly diagnose relay functionality in 12V automotive systems. Whether you’re troubleshooting electrical issues in a car, truck, or motorcycle, this tester provides an efficient way to verify relay performance without guesswork.

Key Features

Quick and Accurate Testing

The Yctze Relay Tester simplifies the process of checking automotive relays by providing instant feedback. It works with continuous battery voltage (11V-15V) to assess relay contact function, ensuring accurate results. The device monitors closure time, contact data, and relay inertia, making it a reliable diagnostic companion.

LED Status Indicators

Equipped with dual LED indicators, the tester provides clear visual feedback:

• Green LED – Indicates a properly functioning relay.
• Red LED – Signals a faulty or malfunctioning relay.

This intuitive system eliminates confusion, allowing users to quickly determine whether a relay needs replacement.

Compact and Durable Design

Built with high-quality ABS material, the Yctze Relay Tester is both lightweight and rugged, ensuring long-term durability. Its compact size makes it easy to store in a toolbox or glove compartment, ideal for on-the-go diagnostics.

Easy to Use

With a straightforward design, this tester requires no complex setup. Simply connect the relay to the device, and the LEDs will immediately display its status. Whether you’re a seasoned mechanic or a beginner, the tool is user-friendly and efficient.

Customer Feedback

Many users appreciate its reliability and simplicity. One reviewer, Stephen Eldridge, noted:
“Works well, easy to use. Saves time when checking relays in my workshop.”

Another user highlighted its convenience:
“Great for quick checks—no need to pull out a multimeter. The LED indicators make it foolproof.”

Final Verdict

The Yctze Relay Tester is a practical addition to any automotive toolkit, offering fast and reliable relay diagnostics. Its durable construction, clear indicators, and ease of use make it a valuable tool for professionals and hobbyists alike.

ASIN: B08YRT9JT9

Nartel® LED Digital Battery Tester Battery Checker Multi Size for AA AAA C D 9V 1.5V Button Cell Batteries (Requires No Battery to Operate)

29% Off £6.99 £4.99 (as of December 11, 2025 06:40 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Multi Purpose Use - can be used to test different type of household batteries like AA, AAA, C, D, 1.5V,9V and button type Require on Battery - activated by the battery being checked, no battery needed for operation Simple but Effective - compact size... read more

AKIELO+ Digital Battery Tester – Easy Read LCD Display – No Battery Required – Universal Household Battery Checker for Size AA AAA C D 9V 1.5 Cell

£5.99 (as of December 11, 2025 03:50 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

UNIVERSAL BATTERY TESTING | Compatible with 9V and 1.5V batteries, including AA, AAA, C, D, and Button Cells. The AKIELO+ Digital Battery Tester swiftly checks household battery levels – no more blind swaps, just fast, accurate results to keep your d... read more

Nartel® Analogue Battery Tester Multi Size Battery Checker for AA AAA C D 9V 1.5V Button Cell Batteries (Requires No Battery for Operation)

43% Off £6.99 £3.99 (as of December 11, 2025 03:50 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Multi Purpose Use - can be used to test different type of household batteries like AA, AAA, C, D, 1.5V,9V and button type Activated by the battery being checked, no battery needed for operation Simple but Effective - compact size and lightweight, por... read more

WUJUN Battery Tester Checker Multi Size Analogue Battery Checker for AA AAA C D 9V 1.5V Button Cell Batteries (Requires No Battery for Operation)

£4.69 (as of December 11, 2025 06:40 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Multi Purpose Use - can be used to test different type of household batteries like AA, AAA, C, D, 1.5V,9V and button type Require on Battery - activated by the battery being checked, no battery needed for operation Simple but Effective - compact size... read more

MOTOPOWER 12V Digital Battery Tester Voltmeter and Alternator Charging System Analyzer with LCD Display and LED Indication, Black Rubber Paint

£19.99 (as of December 11, 2025 03:50 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Easy Operation - Connect and Go. It provides a quick reading to determine if a vehicle battery needs a jump or replacing and also the alternator output status. Various Colored LEDs indicate the battery or the alternator status. Safety Ensured - Rever... read more

Universal Battery Tester Checker, Digital Battery Capacity Level Tester for C AA AAA D N 9V 1.5V Button Cell Small Mini Batteries

3% Off £3.99 £3.89 (as of December 11, 2025 03:59 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Multi Purpose Use - can be used to test different type of household batteries like AA, AAA, C, D, 1.5V,9V and button type Require on Battery - activated by the battery being checked, no battery needed for operation Simple but Effective - compact size... read more

Draper 10209 Universal Battery Tester

£7.98 £7.95 (as of December 11, 2025 03:50 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Suitable for testing AAA, AA, C, D, PP3 and button cell batteries Easy-to-read charge meter Lightweight, compact and handy tester No additional battery power required Not to be used to test alkaline, lead acid or lithium batteries Draper 12 months pa... read more

Mercury Universal Analogue Battery Tester for AA, AAA, C, D, 9V PP3 & Coin Button Cells

51% Off £7.99 £3.49 (as of December 11, 2025 06:40 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Handy, compact battery tester Suitable for testing AA, AAA, C, D and 9V PP3 batteries and button cells Accurately indicate charge status Easy to read analog display Needle indicates "good", "low" and "replace/recharge"

Dlyfull Magnetic Battery Tester Universal Battery Checker for AA AAA C D 9V 1.5V Button Cell Batteries, Requires No Battery to Operate

£7.99 (as of December 11, 2025 07:31 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Magnetic Design: Free your hands and no more dropping. Universal battery tester with magnetic slider, automatically holds the battery securely when you put it in Testable battery types: Battery Tester for AAA AA C D 9V and 1.5V Button Cell Batteries.... read more

Dlyfull Universal Battery Tester, Battery Checker for AAA AA C D 9V and 1.5V Button Cell Batteries, No Batteries Required

£6.99 (as of December 11, 2025 05:00 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Testable battery types: Battery Tester for AAA AA C D 9V and 1.5V Button Cell Batteries. Suitable for a wide range of household batteries, meet your needs in daily life Easy to Use: Simple operation, just put the battery in and test it, no need to se... read more