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5 Best Battery Testers of 2025

Last Updated - 16/12/2025

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

TOPDON

TOPDON Car Battery Tester BT200-A, 12V/24V Battery Tester 100-2000CCA, with Battery Cranking Charging Tests, for Cars Motorcycles Boats SUVs Trucks, for Both Professionals and DIYers

TOPDON

£49.79

£59.99

More Details
Main highlights
- VERSATILE COMPATIBILITY: The TOPDON BT200 car battery tester is compatible with all 12V and 24V batteries 100 - 2000 CCA, including regular flooded, AGM flat plate, AGM spiral, gel, and deep cycle batteries, making it ideal for all types of vehicles, motorcycles, boats, and even golf carts.
- SAFETY AND CONVENIENCE: With reverse polarity protection, the BT200 car battery tester guarantees user safety and vehicle battery protection.
- QUICK BATTERY HEALTH CHECK: With the ability to test the overall health of your battery, cranking, and charging system, the BT200 battery tester provides instant results, saving you time and money from visiting the auto repair shop.
- MULTILINGUAL SUPPORT: Choose your preferred language from the BT200's eight language options. Coupled with the detailed user manual, hassle-free testing is just a few steps away.
- IDEAL FOR BOTH DIYERS AND PROS: The advanced conductance testing technology of the BT200 ensures accurate testing results in seconds, making it a valuable tool for automobile factories, garages, auto battery manufacturers, and DIYers.
- COLOR LCD SCREEN: Unlike other monochrome screens, the BT200 features a 2.4-inch color LCD screen that is easy to read in any lighting condition, including direct sunlight.
£49.79
£59.99
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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

DLYFULL

£15.99

More Details
Main highlights
- 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
- 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
- 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
- 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
£15.99
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Nartel

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)

Nartel

£5.89

£6.99

More Details
Main highlights
- Simple but Effective - compact size and lightweight, portable effective battery tester, a must buy for anyone who uses regular or rechargeable batteries on a regular basis
- Require on Battery - activated by the battery being checked, no battery needed for operation
- Multi Purpose Use - can be used to test different type of household batteries like AA, AAA, C, D, 1.5V,9V and button type
- Easy to Use - identify battery status simply by the analog display needle, "good" (green), "low" (yellow), and "replace/recharge" (red)
£5.89
£6.99
4
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

MERCURY

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

MERCURY

£4.99

£5.65

More Details
Main highlights
- Suitable for testing AA, AAA, C, D and 9V PP3 batteries and button cells
- Needle indicates "good", "low" and "replace/recharge"
- Handy, compact battery tester
- Easy to read analog display
- Accurately indicate charge status
£4.99
£5.65
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

WUJUN

WUJUN Analogue Battery Tester Multi Size Battery Checker for AA AAA C D 9V 1.5V Button Cell Batteries (Requires No Battery for Operation) (1)

WUJUN

£5.09

£5.99

More Details
Main highlights
- Simple but Effective - compact size and lightweight, portable effective battery tester, a must buy for anyone who uses regular or rechargeable batteries on a regular basis
- Require on Battery - activated by the battery being checked, no battery needed for operation
- Multi Purpose Use - can be used to test different type of household batteries like AA, AAA, C, D, 1.5V,9V and button type
- Easy to Use - identify battery status simply by the analog display needle, "good" (green), "low" (yellow), and "replace/recharge" (red)
£5.09
£5.99

5 Best Battery Testers of 2025

TOPDON Car Battery Tester BT200-A, 12V/24V Battery Tester 100-2000CCA, with Battery Cranking Charging Tests, for Cars Motorcycles Boats SUVs Trucks, for Both Professionals and DIYers

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

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)

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

WUJUN Analogue Battery Tester Multi Size Battery Checker for AA AAA C D 9V 1.5V Button Cell Batteries (Requires No Battery for Operation) (1)

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