Categories
Online Shopping Blog
Today's Deals
Categories
Online Shopping Blog
Today's Deals
Categories
Online Shopping Blog
Today's Deals
Categories
Online Shopping Blog
Today's Deals
Best Key Fob Battery Tester of 2026
Last updated on 11/01/2026
Advertising disclosure
Advertising disclosure
Most Relevant
Most Relevant
Best Discount
Lowest Price
Electronics
Home & Kitchen
Computers
Office Supplies
Toys & Games
Sports & Fitness
Home
Home & Garden
Most Relevant
Most Relevant
Best Discount
Lowest Price
Best Choice
1
Laser 8653 Key Fob Tester - Infrared & Radio Frequency
Laser
Why we love it
Versatile for multiple devices.
Accurate frequency range detection.
Sensitive electronic sensor technology.
Main Highlights
Applications include: Automotive key fobs, garage door remote controls, TV & Air Conditioner remotes etc.
Frequency range: 10 - 1000 Mhz (confirmed by LCD screen).
IR signal detector.
Powered by a 9v (PP3) battery (not included).
Part No. 8653 is a sensitive electronic sensor, for reliable results use away from other sources of interference like mobile phones, computer & routers etc.
Show More
9.7
Exceptional
Check Price
9.7
Exceptional
Laser
Laser 8653 Key Fob Tester - Infrared & Radio Frequency
Check Price
Show More
Why we love it
Versatile for multiple devices.
Accurate frequency range detection.
Sensitive electronic sensor technology.
Main Highlights
Applications include: Automotive key fobs, garage door remote controls, TV & Air Conditioner remotes etc.
Frequency range: 10 - 1000 Mhz (confirmed by LCD screen).
IR signal detector.
Powered by a 9v (PP3) battery (not included).
Part No. 8653 is a sensitive electronic sensor, for reliable results use away from other sources of interference like mobile phones, computer & routers etc.
Show More
Value for Money
2
Xhorse Remote Key Frequency Tester - 2024 XDRT20 Remote Tester, 315/433/868/902Mhz Infrared Signal Detection
Xhorse
Why we love it
Accurate frequency detection capability.
Versatile signal identification options.
Extended battery life design.
Main Highlights
Advanced Frequency Detection: Accurately detects a wide range of frequencies across multiple bands, including 315MHz, 433MHz, 868MHz, 902MHz, and more.
Versatile Signal Detection: Identify and test IMMO signals, door handle signals and Infrared signals, providing a complete testing solution.
Increased Battery Life: Intelligently designed power saving features allow for longer battery life, reducing the need for constant recharging.
Convenient Portability: The compact and exquisite design makes it easy to carry and transport, facilitating testing on-the-go.
Show More
9.6
Superb
Check Price
9.6
Superb
Xhorse
Xhorse Remote Key Frequency Tester - 2024 XDRT20 Remote Tester, 315/433/868/902Mhz Infrared Signal Detection
Check Price
Show More
Why we love it
Accurate frequency detection capability.
Versatile signal identification options.
Extended battery life design.
Main Highlights
Advanced Frequency Detection: Accurately detects a wide range of frequencies across multiple bands, including 315MHz, 433MHz, 868MHz, 902MHz, and more.
Versatile Signal Detection: Identify and test IMMO signals, door handle signals and Infrared signals, providing a complete testing solution.
Increased Battery Life: Intelligently designed power saving features allow for longer battery life, reducing the need for constant recharging.
Convenient Portability: The compact and exquisite design makes it easy to carry and transport, facilitating testing on-the-go.
Show More
3
LAUNCH Remote Key Frequency Tester 315/433/868/902MHz Infrared Signal Detection, Key Fob Signal Tester
LAUNCH
Why we love it
Comprehensive frequency detection capability.
Versatile signal testing features included.
Compact design for easy portability.
Main Highlights
[Comprehensive Frequency Detection] - Capable of detecting frequencies across multiple bands, including 315MHz, 433MHz, 868MHz, 902MHz, etc.
[Versatile Signal Detection] - Identify and test IMMO signals, door handle signals and Infrared signals, providing a complete testing solution.
[Increased Battery Life] - Intelligently designed power saving features allow for longer battery life, reducing the need for constant recharging.
[Convenient Portability] - The compact and exquisite design makes it easy to carry and transport, facilitating testing on-the-go.
[Package Included] - 1 x LAUNCH Remote Key Frequency Tester (without battery), 1 x user manual.
Show More
9.5
Superb
Check Price
9.5
Superb
LAUNCH
LAUNCH Remote Key Frequency Tester 315/433/868/902MHz Infrared Signal Detection, Key Fob Signal Tester
Check Price
Show More
Why we love it
Comprehensive frequency detection capability.
Versatile signal testing features included.
Compact design for easy portability.
Main Highlights
[Comprehensive Frequency Detection] - Capable of detecting frequencies across multiple bands, including 315MHz, 433MHz, 868MHz, 902MHz, etc.
[Versatile Signal Detection] - Identify and test IMMO signals, door handle signals and Infrared signals, providing a complete testing solution.
[Increased Battery Life] - Intelligently designed power saving features allow for longer battery life, reducing the need for constant recharging.
[Convenient Portability] - The compact and exquisite design makes it easy to carry and transport, facilitating testing on-the-go.
[Package Included] - 1 x LAUNCH Remote Key Frequency Tester (without battery), 1 x user manual.
Show More
4
Draper 24446 Expert Vehicle Key Fob Tester, 22.1cm x 11.2cm x 5cm , Blue
Draper
14% Off
Why we love it
Accurate wavelength detection capabilities.
Diagnoses emitter faults effectively.
Compatible with key fobs.
Main Highlights
Detects radio and infrared wavelengths
From vehicle key fobs
Remote controls helping diagnose potential
Operates between 418MHz and 434MHz
Diagnose potential faults on the emitters
Show More
9.4
Superb
Check Price
9.4
Superb
Draper
Draper 24446 Expert Vehicle Key Fob Tester, 22.1cm x 11.2cm x 5cm , Blue
14% Off
Check Price
Show More
Why we love it
Accurate wavelength detection capabilities.
Diagnoses emitter faults effectively.
Compatible with key fobs.
Main Highlights
Detects radio and infrared wavelengths
From vehicle key fobs
Remote controls helping diagnose potential
Operates between 418MHz and 434MHz
Diagnose potential faults on the emitters
Show More
5
LUTIFIX Car Remote Key Frequency Tester,Remote Key Frequency Tester Tool 315/433/868/902MHZ,Infrared Test,Button Battery Test,HD Display
LUTIFIX
Why we love it
Quickly detects remote frequencies.
Versatile for various applications.
HD display ensures easy viewing.
Main Highlights
【Main function】LITIFIX Car Remote Key Frequency Tester is mainly used for detecting the frequency of car keys, clearly displaying the frequency value.In addition,the Remote Key Frequency Tester Tool can support infrared test and button battery test.
【Frequency detection】RE110 Car Truck Door Remote Control Tester can quickly identify the frequency of the car remote key,supporting major frequencies such as 315MHZ,433MHZ,868MHZ,and 902MHZ.
【Widely Application】RE110 Portable Remote Key Frequency Tester can identify and test Door handle signals, lMMO anti-theft signals, garage keys,and electronic doors. The Remote Key Frequency Tester support both TYPE-C interface and dry cell battery power options,operating voltage:4x1.5V AAA batteries.
【HD display &Back Bracket】The Key Frequency Tester adopts HD display design,easy for viewing data. Back Bracket design,No need to hold the device when using, can be placed directly on the worktable, convenient and labor-saving and the bracket can be folded to save space.
【3 years Warranty】For damage caused by non-human factors,LUTIFIX promise to resend parts for free within 3 years. For any needs,you are warmly welcomed to contact us and we will get back to you ASAP within 24 hours.
Show More
9.2
Superb
Check Price
9.2
Superb
LUTIFIX
LUTIFIX Car Remote Key Frequency Tester,Remote Key Frequency Tester Tool 315/433/868/902MHZ,Infrared Test,Button Battery Test,HD Display
Check Price
Show More
Why we love it
Quickly detects remote frequencies.
Versatile for various applications.
HD display ensures easy viewing.
Main Highlights
【Main function】LITIFIX Car Remote Key Frequency Tester is mainly used for detecting the frequency of car keys, clearly displaying the frequency value.In addition,the Remote Key Frequency Tester Tool can support infrared test and button battery test.
【Frequency detection】RE110 Car Truck Door Remote Control Tester can quickly identify the frequency of the car remote key,supporting major frequencies such as 315MHZ,433MHZ,868MHZ,and 902MHZ.
【Widely Application】RE110 Portable Remote Key Frequency Tester can identify and test Door handle signals, lMMO anti-theft signals, garage keys,and electronic doors. The Remote Key Frequency Tester support both TYPE-C interface and dry cell battery power options,operating voltage:4x1.5V AAA batteries.
【HD display &Back Bracket】The Key Frequency Tester adopts HD display design,easy for viewing data. Back Bracket design,No need to hold the device when using, can be placed directly on the worktable, convenient and labor-saving and the bracket can be folded to save space.
【3 years Warranty】For damage caused by non-human factors,LUTIFIX promise to resend parts for free within 3 years. For any needs,you are warmly welcomed to contact us and we will get back to you ASAP within 24 hours.
Show More
6
Battery Tester, X100PAD3 SE Auto Key Progmer Elite IMMO AlI System Diagnostic Progming Tool All Key Lost Add Keys Built-in CAN FD(X100PAD3 SE)
KONGMM
Why we love it
Advanced IMMO functionality for ease.
Comprehensive diagnostics streamline maintenance.
User-friendly interface enhances usability.
Main Highlights
Advanced IMMO functality for all key lost scenar, ensuring seamless vehicle access.
Comprehensive diagnostic capabilities across all vehicle systems, enhancing maintenance efficiency.
Built-in CAN FD support for modern vehicles, providing faster and more reliable communicat.
User-friendly interface with intuitive gat for quick and easy progming tasks.
design and portable size, for automotive technicians and DIY enthusiasts.
Show More
9.1
Superb
Check Price
9.1
Superb
KONGMM
Battery Tester, X100PAD3 SE Auto Key Progmer Elite IMMO AlI System Diagnostic Progming Tool All Key Lost Add Keys Built-in CAN FD(X100PAD3 SE)
Check Price
Show More
Why we love it
Advanced IMMO functionality for ease.
Comprehensive diagnostics streamline maintenance.
User-friendly interface enhances usability.
Main Highlights
Advanced IMMO functality for all key lost scenar, ensuring seamless vehicle access.
Comprehensive diagnostic capabilities across all vehicle systems, enhancing maintenance efficiency.
Built-in CAN FD support for modern vehicles, providing faster and more reliable communicat.
User-friendly interface with intuitive gat for quick and easy progming tasks.
design and portable size, for automotive technicians and DIY enthusiasts.
Show More
7
Sealey Vs921 Ir And Rf Key Fob Tester
Sealey
8% Off
Why we love it
Detects radio frequency efficiently.
Diagnoses faults without dismantling.
Magnetic backing ensures convenience.
Main Highlights
Features:Detects and confirms radio frequency and/or infrared emission from key fobs and remote controls
Helps diagnose faults quickly and easily without the need to dismantle the fob, remote or vehicle
Magnetic backing sticks to the side of any ferrous surface for testing the range of the transmitter
Suitable for a wide variety of vehicle manufacturers
Suitable for detecting new BMW frequencies
Show More
9.0
Superb
Check Price
9.0
Superb
Sealey
Sealey Vs921 Ir And Rf Key Fob Tester
8% Off
Check Price
Show More
Why we love it
Detects radio frequency efficiently.
Diagnoses faults without dismantling.
Magnetic backing ensures convenience.
Main Highlights
Features:Detects and confirms radio frequency and/or infrared emission from key fobs and remote controls
Helps diagnose faults quickly and easily without the need to dismantle the fob, remote or vehicle
Magnetic backing sticks to the side of any ferrous surface for testing the range of the transmitter
Suitable for a wide variety of vehicle manufacturers
Suitable for detecting new BMW frequencies
Show More
8
Remote Key Frequency Tester, Infrared Signal Detector Key-Fob Signal Tester Diagnostics Tool for IMMO Signals Testing with Extended Battery Life
JoyousMall
Why we love it
Precise measurement of frequencies.
Versatile for multiple signal types.
Long-lasting battery for efficiency.
Main Highlights
【Advanced Frequency Detection】: Achieve precise measurement with the Remote Key Frequency Tester, engineered to accurately capture a broad spectrum of signal frequencies. This capability supports reliable diagnostics for complex remote systems, helping professionals quickly identify key fobs or sensor performance issues on-site.
【Versatile Signal Analysis】: The Frequency Tester Infrared Signal Detection function supports testing for IMMO signals, door handle signals, and infrared signals in a single compact device. This broad compatibility offers a comprehensive approach for technicians or enthusiasts requiring multi-signal evaluation across various electronic and access control systems.
【Extended Battery Efficiency】: Integrated intelligent power-saving technology significantly improves operational time between charges, increasing productivity in fieldwork. Users can conduct prolonged-sessions with the Infrared Signal Detection system without frequent battery changes, providing consistency during testing across different environments and projects.
【Compact & Portable Design】: Built with a lightweight plastic and metal housing, the Key-Fob Signal Tester is easy to carry between worksites or store in toolkits. The ergonomic form factor supports handheld operation, allowing convenient signal checks whether indoors, outdoors, in workshops, or during mobile service calls.
【Complete Testing Package】: Supplied with a hanging strap and instruction manual, this Remote Key Frequency Tester offers all necessary accessories for immediate deployment. Its straightforward setup and user-friendly operation help forestall misreadings, delivering dependable results for both experienced technicians and newcomers to signal diagnostics.
Show More
8.8
Excellent
Check Price
8.8
Excellent
JoyousMall
Remote Key Frequency Tester, Infrared Signal Detector Key-Fob Signal Tester Diagnostics Tool for IMMO Signals Testing with Extended Battery Life
Check Price
Show More
Why we love it
Precise measurement of frequencies.
Versatile for multiple signal types.
Long-lasting battery for efficiency.
Main Highlights
【Advanced Frequency Detection】: Achieve precise measurement with the Remote Key Frequency Tester, engineered to accurately capture a broad spectrum of signal frequencies. This capability supports reliable diagnostics for complex remote systems, helping professionals quickly identify key fobs or sensor performance issues on-site.
【Versatile Signal Analysis】: The Frequency Tester Infrared Signal Detection function supports testing for IMMO signals, door handle signals, and infrared signals in a single compact device. This broad compatibility offers a comprehensive approach for technicians or enthusiasts requiring multi-signal evaluation across various electronic and access control systems.
【Extended Battery Efficiency】: Integrated intelligent power-saving technology significantly improves operational time between charges, increasing productivity in fieldwork. Users can conduct prolonged-sessions with the Infrared Signal Detection system without frequent battery changes, providing consistency during testing across different environments and projects.
【Compact & Portable Design】: Built with a lightweight plastic and metal housing, the Key-Fob Signal Tester is easy to carry between worksites or store in toolkits. The ergonomic form factor supports handheld operation, allowing convenient signal checks whether indoors, outdoors, in workshops, or during mobile service calls.
【Complete Testing Package】: Supplied with a hanging strap and instruction manual, this Remote Key Frequency Tester offers all necessary accessories for immediate deployment. Its straightforward setup and user-friendly operation help forestall misreadings, delivering dependable results for both experienced technicians and newcomers to signal diagnostics.
Show More
9
Remote Keys Infrared Frequency Tester, 100M HZ to 1G HZ High Accuracy with Digital Display Key Fob Frequency Tester Detection
Tonysa
Why we love it
Accurate frequency testing capability.
User-friendly and simple operation.
Convenient LED lights for visibility.
Main Highlights
Accurate and Reliable: The tester allows for accurate and frequency testing and infrared detection of remote control devices. It helps users identify any issues or faults with remote controls.
Easy to Use: Just place the remote control near the tester in the testing zone, press the power button on the remote control, and the tester will display the frequency value, accurately measuring the frequency.
Convenient Lighting: The infrared frequency tester is equipped with LED lights on the front, making it easier to use in low light conditions, ensuring visibility and accuracy during testing.
Detection Range: Effective testing range of this infrared frequency tester is within 5cm, the closer it is to the testing zone, the more accurate the measurement. The frequency of the car key is generally divided into 320M HZ; 434M HZ; 868M HZ.
INPUT Indicator: By pressing any button on the remote control, the indicator light will flash red, indicating that the infrared output is functioning properly. If the indicator light does not illuminate, it indicates that there may be a malfunction or damage to the infrared transmitter.
Show More
8.7
Excellent
Check Price
8.7
Excellent
Tonysa
Remote Keys Infrared Frequency Tester, 100M HZ to 1G HZ High Accuracy with Digital Display Key Fob Frequency Tester Detection
Check Price
Show More
Why we love it
Accurate frequency testing capability.
User-friendly and simple operation.
Convenient LED lights for visibility.
Main Highlights
Accurate and Reliable: The tester allows for accurate and frequency testing and infrared detection of remote control devices. It helps users identify any issues or faults with remote controls.
Easy to Use: Just place the remote control near the tester in the testing zone, press the power button on the remote control, and the tester will display the frequency value, accurately measuring the frequency.
Convenient Lighting: The infrared frequency tester is equipped with LED lights on the front, making it easier to use in low light conditions, ensuring visibility and accuracy during testing.
Detection Range: Effective testing range of this infrared frequency tester is within 5cm, the closer it is to the testing zone, the more accurate the measurement. The frequency of the car key is generally divided into 320M HZ; 434M HZ; 868M HZ.
INPUT Indicator: By pressing any button on the remote control, the indicator light will flash red, indicating that the infrared output is functioning properly. If the indicator light does not illuminate, it indicates that there may be a malfunction or damage to the infrared transmitter.
Show More
10
Dlyfull Universal Battery Tester with LCD Display, Multi Purpose Small Battery Checker for AA AAA C D 9V CR2032 CR123A CR2 CRV3 2CR5 CRP2 1.5V/3V Button Cell Batteries
DLYFULL
16% Off
Why we love it
Highly compatible with numerous batteries.
Features an easy-to-read LCD.
Compact and remarkably portable.
Main Highlights
HIGH COMPATIBILITY: It is not only suitable for AA, AAA, C, CR123A, D, 9V, N, CR2, CRV3, 2CR5, CR-P2 cylindrical battery testing, but also good for checking a wide variety of button cell batteries
CRISP LCD SCREEN: Easy to use analyzer shows what you need to know about your battery’s health, it will accurately shows whether the battery is in poor, weak, or good condition of voltage
QUICK RESULTS: Simply place a battery into the decent battery detector, it will shows you quickly the status of your batteries’ health by the using bars, helps you avoid battery damage from unnecessary recharges. DON'T POWERED BY RECHARGEABLE BATTERY NOR TEST RECHARGEABLE BATTERIES
REMARKABLY COMPACT: One of the smallest and lightest portable battery checker. A pocket-friendly compact chassis with an anti-slip finish enables a firm grip in your hand for battery checking
WHAT YOU GET: Dlyfull Universal Battery Tester(1x AAA battery included), welcome guide, & our worry- free 18 months guarantee and friendly customer service. A living assistant helps you save money as well as prolong the lifespan of all your batteries
Show More
8.7
Excellent
Check Price
8.7
Excellent
DLYFULL
Dlyfull Universal Battery Tester with LCD Display, Multi Purpose Small Battery Checker for AA AAA C D 9V CR2032 CR123A CR2 CRV3 2CR5 CRP2 1.5V/3V Button Cell Batteries
16% Off
Check Price
Show More
Why we love it
Highly compatible with numerous batteries.
Features an easy-to-read LCD.
Compact and remarkably portable.
Main Highlights
HIGH COMPATIBILITY: It is not only suitable for AA, AAA, C, CR123A, D, 9V, N, CR2, CRV3, 2CR5, CR-P2 cylindrical battery testing, but also good for checking a wide variety of button cell batteries
CRISP LCD SCREEN: Easy to use analyzer shows what you need to know about your battery’s health, it will accurately shows whether the battery is in poor, weak, or good condition of voltage
QUICK RESULTS: Simply place a battery into the decent battery detector, it will shows you quickly the status of your batteries’ health by the using bars, helps you avoid battery damage from unnecessary recharges. DON'T POWERED BY RECHARGEABLE BATTERY NOR TEST RECHARGEABLE BATTERIES
REMARKABLY COMPACT: One of the smallest and lightest portable battery checker. A pocket-friendly compact chassis with an anti-slip finish enables a firm grip in your hand for battery checking
WHAT YOU GET: Dlyfull Universal Battery Tester(1x AAA battery included), welcome guide, & our worry- free 18 months guarantee and friendly customer service. A living assistant helps you save money as well as prolong the lifespan of all your batteries
Show More
