7 Best Christmas Light Tester of 2023 (Top Picks Reviewed)

Are you looking for the Best Christmas Light Tester to check the functionality of Christmas lights? There are many options for Christmas light testers on the market.

Nowadays people like to celebrate Christmas with decorative lights. Some wish to get the best Christmas light tester to get the test lights that are getting issues. Using a Christmas light tester can save time and effort by quickly identifying which bulbs or sections of the string need to be replaced or repaired.

Always check the voltage rating before using, it for more safety. If you are buying a Christmas light tester then there are several things that you should know.

In this post, we’ll explore the Best Christmas Light Tester to help you decide which is the perfect one for you!

What is the Best Christmas light tester?

When it comes to finding the best Christmas light tester, there are several options available in the market. However, based on customer reviews, product features, and reliability, the best Christmas light tester is the “LightKeeper Pro Light Tester.”

The Lightkeeper Pro Light Tester is a popular choice among consumers for its effectiveness in quickly identifying and fixing problems with Christmas lights. It is specifically designed to diagnose and repair the most common issues, such as burnt-out bulbs, faulty shunts, and loose connections.

1. Allsun Christmas Light String Tester

This Christmas Light Tester makes it simple to identify any burned-out bulbs on your Christmas lights. You’ll be able to identify the age and type of bulb in no time, just by touching the tip on the tester to the particular bulb.

This is the most ideal Christmas light tester which easily fits in your toolbox. You can get the correct test visual indicators, which allow you to test electrical bulbs quickly.

It is used for testing common 110-120VAC household lights including incandescent, CFL, halogen, and other types of bulbs. The Allsun Christmas Light Tester is a compact and portable electric tester that quickly tests all types of Christmas lights.

It can test 120-volt or 230-volt, incandescent, and LED lights but for a period of 1 year only. It is easy to use as you only need to touch the tip of this all-in-one tester, which is made with non-toxic materials, onto the light bulbs.

Overall, the Allsun Christmas Light string tester has proven to be a reliable and efficient tool for troubleshooting and repairing Christmas lights.

Key Features:

  • Non-contact AC voltage detection
  • Adjustable detection sensitivity
  • Audible and visual indication
  • Test fuse
  • Tests bulb


  • Easy to use.
  • Non-contact AC Voltage Detection.
  • It is widely used.


  • Sometimes you can get a Low battery.

2. Rolson Battery Bulb and Fuse Tester:

Rolson Battery Bulb and Fuse Tester with plugs are intended for usage in the United States. Because outlet and voltage standards fluctuate from country to country, this device may require an adapter or converter for usage in your location.

You can easily use this online Christmas lights tester. You will get a full report of the fuse or light bulb, in addition to whether it’s an incandescent or LED bulb.

It is used as a visual guide to swap out old or defective bulbs and fuses with no tools in a snap. This product is a time saver as of now you don’t have to go to a local store every time you have to check out the voltage or wattage any more this product will help you out in that matter as it is easy to use it has a fuse on it so if something happens then your appliance won’t get damaged and start working immediately itself.

Key Features:

  • Test bulbs, fuses, and switches
  • Reading in Volts and Ohms
  • Multipurpose usage
  • For 100 volts and 60 hertz
  • Good quality tester


  • Transparent fuses and bulbs can be seen.
  • It has a long battery life.


  • Does not have full information.

3. YEKMLCO Multipurpose LED TV Backlight Tester:

With this YEKMLCO Multipurpose tool, you can rapidly diagnose the LED LCD screen backlight problem. With the LCD screen backlight test, you can help to find out if the brightness of the image on the screen is too low or dark. With this tool, you can make sure that your TV’s LCD display works properly or not.

It is easy to use, just plug it into the backlight port of your TV, and then turn on the TV. You can get the led indicator flashing fast or slow depending on how bright it will show on the screen. It has a power switch that helps you for turning it on or off and also a USB charging port for charging your electronic devices

Key Features:

  • This LED Backlight Tester helps you in testing LED light.
  • With this LED Backlight Tester, it will work on TVs and monitors which have normal sub-pixel driver ICs to detect problems with individual pixels.
  • It will only work on TVs and computers which are based on CCFL backlights that have a constant voltage design (no PWM).


  • Multifunctional tester
  • Battery test
  • Short-circuit protection


  • Low-voltage protection.

4. Christmas Light Tester by Frienda

Christmas Light Tester by Frienda allows you to simply discover any burned-out bulbs on your Christmas lights, making it a very handy tool that offers a wonderful feature to check whether the lights may be used or not. You will be able to identify the age and type of bulb in no time, just by touching the tip on the tester to the particular bulb. It is easy to use as you only need to touch the tip of this all-in-one tester.

It is made with non-toxic materials, onto the light bulbs. Functional and easy to use to check Christmas lights with ease. Detection of best quality Christmas lights. Works on various types of bulbs and electrical appliances like light switches, Christmas lights, etc. You don’t need to be a professional or an expert to use it. This Christmas Light Tester works well when compared with other testers in the market.

Key Features:

  • This all-in-one LED tester can check your Christmas lights on one side and also displays polarity.
  • The test voltage range check shows whether there are any exposed wires or not connected properly.
  • The features and performance are very good in comparison with its other testers in the market.


  • Easy to use.
  • Chemical resistant
  • Non-contact voltage detector.


  • Manual measurement has some slight errors in size.

5. Keeptop Non-Contact Voltage Tester:

This is outfitted with an LED light that acts as an emergency flashlight, making it very helpful and convenient in dark work settings. It can check for continuity and polarity in a wide range of voltage. The electronic current tester quickly identifies bad electrical fixtures, circuit breakers, and fuses, whether any of them are open or shorted.

It can also be used to test high-frequency transformers, lamp sockets, gas appliances, motors, and switches with a quick turn of a knob.

It has an LED light system that will show either red or green based on the results of the voltage measurement. One cannot call it an all-in-one tool as it is less versatile than other models available in the market. Though this product is more affordable than its others compared to professional testers, it lacks in features and durability. The unit also comes with an adjustable dial enabling you to select from different voltage ranges from 50 volts up to 600 volts.

Key Features:

  • This tester has a flashlight that works during power outages and can be used to check the voltage of light bulbs, switches, and fuses.
  • It has a polarity tester that checks the polarity of the circuit breakers and fuses.
  • It comes with a continuity tester that is used to check for open circuits.
  • The device also includes a fuse testing system, which tests resistance and frequency.


  • Heavy duty tool.
  • Dual Range Voltage Tester
  • Auto Shut Off
  • Compact Design.


  • It doesn’t have an alarm when there is or has a hard time.

6. WINAMOO Premium LED Bulb Automotive Circuit Tester:

LED test light bulb with high visibility and strictly tested extended service life to show circuits’ signal. The brightness of the light will vary with the varied measured voltages. It is applicable to check lighting, motor and switch fuse, and wire with a simple operation.

With this light, you will be able to see whether or not your current is exposed or not. You hold the bulb and slide it to the point where it has contact with the specified parts.

When you see that there are no lights working then that is what this tester will show. You can use it in checking your car’s lights, sockets, fuses, etc.

These LED bulbs are more reliable than other bulbs being used in different devices and they give accurate results as well since they produce less heat, unlike other bulbs. This LED bulb tester is powered by lithium batteries which are rechargeable and can be fitted with a universal car charger.

Key Features:

  • It is used to check the operation of the car’s lights, sockets, fuses, etc..
  • It works on all types of vehicle lights such as headlamps, tail lamps, fog lights, brake lights, and indicators as well.
  • You will be able to see whether your current is exposed or not.
  • The bulb measures the current of signals in a circuit.
  • It gives accurate results since it produces less heat, unlike other bulbs.


  • Quality LED Bulb
  • Convenient Use
  • High Quality
  • It has a sharp stainless steel probe.


  • It is expensive to use.

7. AWBLIN Automotive Buzzer Test Light:

This AWBLIN Automotive Buzzer Test Light bidirectional voltage tester is an upgrading circuit test light. It can light up whatever you touch in the dark as well as can detect voltage in both directions. This is a technician-quality automotive test light that works on alligator clip test leads.

It can be used on Christmas lights, cars, trucks, motorcycles, boats, ATVs, and any other 12V battery-powered vehicle or equipment. You will have to use a 9V battery to work it.

It consists of an LED light that flashes red for negative and green for positive voltage detection using a simple three-position switch design which includes switches for polarity and buzzer sound respectively making it easier to make a decision when you are trying to determine what is wrong with your vehicle by just glancing at the bulbs. With this listing, you will also be provided with a 9V battery and a carrying case.

Key Features:

  • This tester comes with a buzzer sound that indicates whether the current is on or off, similar to the different fuses in your vehicle.
  • As it has an LED light, it makes use of voltage for better results.


  • 100% Satisfaction
  • Unique Design with guard protection.
  • Bidirectional voltage tester.


  • It has only reverse polarity with the two colored lights.

Buying guide to choosing the Christmas light tester:

The most common Christmas light tester is increasing in the positive voltage side and decreasing it in the negative side when compared to the load wire.

In this competitive world, we have different types of Christmas lights like LED, incandescent as well as CFL lights. According to your need, there will be different types of tests that will be needed for checking your electricity supply wires or electrical appliances.

It must be of high quality:

The best way to make sure that your online purchase Christmas light tester is of high quality is by reading the product description carefully. If the product description says it comes with a warranty, then that is a good indication that the product you are purchasing is defect free and you will be paying more for the warranty.

The specifications of the item may also be important in determining if it will serve your needs and whether or not you want to purchase it.

Easy to use:

You must make sure that you do not end up purchasing an item that is very complicated to use when you have used the manual or instructions in the product description. You will be able to use a Christmas light tester better if it is easy to handle.


It will be a good idea to purchase a Christmas light tester that has a warranty of at least one year and ensures the user they will not spend their money on purchasing another model when yours breaks down after two months of use.


When you are purchasing a Christmas light tester, make sure that you are buying it for the right reason. You cannot save money by buying an item from a cheap online store when the same item is being sold at a cheaper price at your local shop.

Best for your budget:

It will also be important to compare the prices of different products and judge which one is best for your budget before purchasing it. It will be unwise to purchase an expensive Christmas light tester if there is also something cheaper available in the market.


Can I trust an online store when buying a Christmas light tester?

An online store can be trusted if you find a good one that provides you with high-quality products, low prices, and easy payment options. This will also ensure that you will be able to return the item if you are not satisfied with it as well.

What is a warranty on a Christmas light tester?

The warranty period will vary depending on the product you are purchasing. If the product has a warranty, then you can use that to ensure that you will not have to purchase another one if yours breaks down after using it for a short time. You can also purchase accessories or replacement parts for the Christmas light tester as well.

Final Verdict:

These are some of the Christmas light testers you can purchase to check your car’s lights and other electrical devices. Make sure you know what type of device you need before purchasing it or else you might end up purchasing a product that will not meet your needs. If you want to find the best Christmas light tester, then these might be able to suit your needs.

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About Author

  • Manoj Kumar Raghav

    Hello, this is Manoj, A Soldering and DIY Tool expert. Writing is one of my hobbies. With more than 20 years of broad experience. I love researching, discovering, and sharing new products with others, I hope you’ll enjoy the greatest featured products to make life easier, more fun, and more productive.

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