We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy
Home
All Categories
Tools & Home Improvement
Electrical
Christmas Light Bulb Tester

3 Best Christmas Light Bulb Tester 2025 in the United States

#1

Winner

10.0 score

Ulta Lit Light Keeper PRO 01201 The Complete Tool for Fixing Miniature Light Sets

Ulta Lit Light Keeper PRO 01201 The Complete Tool for Fixing Miniature Light Sets

LIGHT KEEPER PRO

10.0 score

Check price

The Ulta Lit Light Keeper PRO 01201 is a handy tool specifically designed for repairing miniature incandescent Christmas light sets, making it ideal for holiday decorators. One of its standout features is the Quick Fix Method that allows users to address shunt issues—often the main reason lights fail—quickly with a simple squeeze of the trigger. This feature can save time and frustration, especially during the busy holiday season.

Rating
10.0
Chosen by1,183
Type of Tester
Ease of Use
Compatibility

Most important from
10485 reviews

Type of Tester
The LightKeeper Pro is an indispensable tool for maintaining incandescent Christmas lights.
Ease of Use
Simple instructions and intuitive operation make it accessible for all skill levels.
Compatibility
Ideal for anyone with a significant number of incandescent holiday lights who prefers to repair rather than replace decorations.
Durability
Saves money by extending the life of light sets instead of replacing them.
Additional Features
Quickly fixes non-working light sets, restoring them to full functionality.
#2
7.9 score

Light Keeper Pro-The Complete Tool For Fixing Your Christmas Lights

14%OFF

Light Keeper Pro-The Complete Tool For Fixing Your Christmas Lights

LIGHT KEEPER PRO

7.9 score

Check price

The Light Keeper Pro is a handy tool specifically designed for fixing your Christmas lights. Weighing just 4 ounces, it is lightweight and easy to handle. This battery-powered tester comes with 4 C batteries included, so you can start using it right out of the box. The product dimensions are 11 x 8 x 2 inches, making it compact and easy to store when not in use. Its clear color and Art Deco style give it a sleek appearance.

Rating
7.9
Type of Tester
Ease of Use
Compatibility

Most important from
747 reviews

Type of Tester
The Light Keeper Pro is effective for quick fixes if you have individual strings of lights.
Ease of Use
One click of the gun and the lights came on, fixing the problem instantly.
Compatibility
Do not use this device on LED strings as the high voltage pulse will destroy LEDs.
Additional Features
The trigger fix solution works great and will activate the shunts in strings with multiple failures.
#3
7.0 score

LightKeeper Pro® - Complete Tool for Fixing Incandescent Light Sets + Scented Ornament to Hang on Your Tree + ½ Ounce of Pure Oil and 50 Clear Replacement Bulbs (2.5v/170ma) _UL Listed (#230566)

LightKeeper Pro® - Complete Tool for Fixing Incandescent Light Sets + Scented Ornament to Hang on Your Tree + ½ Ounce of Pure Oil and 50 Clear Replacement Bulbs (2.5v/170ma) _UL Listed (#230566)

LIGHT KEEPER PRO

7.0 score

Check price

The LightKeeper Pro is a versatile tool designed to fix incandescent light sets. Its standout feature is the ability to repair lights with just a squeeze of the trigger, making it incredibly user-friendly for those who may not be tech-savvy. The product also includes useful additional features such as a bulb tester, fuse tester, bulb puller, and storage compartment for spare bulbs and fuses. This makes it a comprehensive solution for managing Christmas lights.

Rating
7.0
Ease of Use
Compatibility

Most important from
40 reviews

Ease of Use
In just under five minutes, the LightKeeper Pro revived a dark patch on a Christmas tree, proving its quick-fix feature is highly effective.
Compatibility
Successfully restored three outdoor Christmas decorations, including deers and a chicken, showcasing its versatility for various festive setups.

Top 3 Best Christmas Light Bulb Tester 2025 in the United States

#1

Winner

10.0  score
Slide 1Slide 2Slide 3Slide 4Slide 5

LIGHT KEEPER PRO

Ulta Lit Light Keeper PRO 01201 The Complete Tool for Fixing Miniature Light Sets

Type of Tester: Light Set Repair Tool
Ease of Use: Straightforward
Compatibility: Incandescent light sets
Durability: Lifetime warranty
Additional Features: Quick Fix, bulb tester, fuse tester

Check price

Chosen by 1183 this week

#2
7.9  score
Slide 1

LIGHT KEEPER PRO

Light Keeper Pro-The Complete Tool For Fixing Your Christmas Lights

Type of Tester: Ohmmeter or Voltmeter
Ease of Use: Lightweight, easy to handle
Compatibility: Incandescent light bulbs
Additional Features: Energy Efficient

Check price

14% OFF
#3
7.0  score
Slide 1Slide 2Slide 3Slide 4Slide 5

LIGHT KEEPER PRO

LightKeeper Pro® - Complete Tool for Fixing Incandescent Light Sets + Scented Ornament to Hang on Your Tree + ½ Ounce of Pure Oil and 50 Clear Replacement Bulbs (2.5v/170ma) _UL Listed (#230566)

Type of Tester: LightKeeper Pro
Ease of Use: User-friendly
Compatibility: Incandescent light sets, pre-lit decorations
Durability: Lifetime warranty (excluding batteries)
Additional Features: Bulb tester, fuse tester, bulb puller

Check price

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

Buying Guide for the Best Christmas Light Bulb Tester

Choosing the right Christmas light bulb tester can make your holiday decorating much easier and more enjoyable. A good tester will help you quickly identify and fix any issues with your Christmas lights, ensuring that your decorations shine brightly throughout the season. When selecting a tester, it's important to consider several key specifications to ensure you get the best fit for your needs. Understanding these specs will help you make an informed decision and find a tester that is both effective and easy to use.
Type of TesterThere are different types of Christmas light bulb testers, including basic continuity testers, advanced digital testers, and multifunction testers. Basic continuity testers are simple and inexpensive, suitable for checking if a bulb is working. Advanced digital testers can diagnose more complex issues, such as identifying faulty bulbs in a series. Multifunction testers often include additional features like voltage detection and fuse testing. Choose a type based on your technical comfort level and the complexity of the light strings you use.
Ease of UseEase of use is crucial, especially if you're not very tech-savvy. Look for testers with clear instructions, intuitive interfaces, and simple operation. Some testers have visual or audible indicators to show if a bulb is working, which can be very helpful. If you prefer a straightforward process, opt for a tester with minimal steps and clear feedback. Consider how often you'll use the tester and how quickly you want to diagnose issues.
CompatibilityCompatibility refers to the types of bulbs and light strings the tester can handle. Some testers are designed for specific types of bulbs, such as incandescent or LED, while others can test a variety of bulb types. Ensure the tester you choose is compatible with the lights you have. If you use a mix of different light types, a versatile tester that can handle multiple types will be more useful.
DurabilityDurability is important because you want a tester that will last through many holiday seasons. Look for testers made from sturdy materials and with good build quality. Check for user reviews or product descriptions that mention the tester's durability. If you plan to use the tester frequently or in different environments, a more robust model will be a better investment.
Additional FeaturesSome testers come with additional features that can be very useful. These might include a built-in bulb remover, a fuse tester, or a voltage detector. While these features can add to the cost, they can also make the tester more versatile and convenient. Consider what additional features might be beneficial for your specific needs and whether they justify the extra expense.

FAQ