Advertising Disclosure

5 Best Battery Testers of 2025

Last Updated - 30/10/2025

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 12V 24V Load Tester, BT200 100-2000CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System for Car Truck Motorcycle ATV SUV Boat Yacht

TOPDON

£54.99

£56.99
(3% Off)

More Details
Main highlights
- 【What You Get】 Topdon BT200 car battery tester, user manual (French not guaranteed). TOPDON offers 30 days right of return, 24 months warranty and friendly customer service. If you have any questions or doubts, Topdon is always there for you.
- 【Cranking, Charging and Load Test】 With this digital battery tester you can check the total condition of the battery, including the starter, and perform a full system load test. With the start test, you can test and analyse the starter motor to see if it is working properly. During the charge test, the status of the charging system is checked to prevent damage to the battery due to overcharging or incomplete charging.
- 【A Must-have for DIYers and Professionals】 With advanced conductivity testing technology, TOPDON BT200 battery alternator analyzer can provide you with accurate test results in seconds. It fits in your glove box and is a handy tool for the automotive factory, garage, car battery manufacturer and DIY.
- 【2.4" Colour LCD screen】 Unlike most products on the market with a monochrome LCD screen, the TOPDON BT200 car battery tester has a 2.4" colour LCD screen, which is easy to read even in direct sunlight.
- 【12V and 24V Car Battery Tester】 TOPDON BT200 Car Battery Tester works on all 12V and 24V batteries with 100 to 2000 CCA - For cars, motorbikes, trucks, motorcycles, off-road vehicles, SUVs, boats, yachts, lawnmowers.
£54.99
£56.99 (3% Off)
2
22% Off

✖
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
22% Off

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

£46.74

£59.99
(22% Off)

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.
£46.74
£59.99 (22% Off)
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

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
4

✖
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.

Jesiah

Analogue Battery Tester, Universal Battery Checker No Batteries Required BT-168 Household Battery Testers Multi Size Battery Tester Checker for AA AAA C D 9V 1.5V Button Cell Batteries

Jesiah

£5.59

More Details
Main highlights
- No Battery Required for Operation – This battery tester is powered directly by the battery being tested, eliminating the need for an additional power source. It's an efficient and eco-friendly solution that works seamlessly without the need for extra batteries.
- Multi-Purpose Battery Tester – Designed to test a wide range of household batteries including AA, AAA, C, D, 1.5V, 9V, and button cell types, making it a versatile tool for checking the condition of all your commonly used batteries.
- Essential Tool for Regular Battery Users – Perfect for anyone who frequently uses batteries in household devices, remotes, toys, or electronics. This tester helps you avoid the inconvenience of dead batteries and ensures your devices stay powered and ready.
- Compact and Portable Design – This lightweight and portable battery checker is easy to carry and store. Its small size makes it ideal for home use, travel, or emergency kits, ensuring you can check batteries anytime, anywhere.
- Clear Analog Display for Easy Readings – Featuring a simple analogue dial with colour-coded indicators for easy battery health checks. Green means "Good", yellow indicates "Low", and red signals "Replace or Recharge", allowing for quick battery status identification.
£5.59
5
Best Value
29% Off

✖
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
29% Off

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

MERCURY

£5.65

£7.99
(29% Off)

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
£5.65
£7.99 (29% Off)

5 Best Battery Testers of 2025

Topdon Car Battery Tester 12V 24V Load Tester, BT200 100-2000CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System for Car Truck Motorcycle ATV SUV Boat Yacht

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

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)

Analogue Battery Tester, Universal Battery Checker No Batteries Required BT-168 Household Battery Testers Multi Size Battery Tester Checker for AA AAA C D 9V 1.5V Button Cell Batteries

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

You may also like...

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)

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

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

TFA Dostmann BatteryCheck 98.1126.01 Battery Tester for Batteries (AAA, AA, C, D), Button Cell, Block Battery, Display of Charging Status/Volt, Easy and Fast, Black

Dlyfull Universal Battery Tester with LCD Display, Small Digital Battery Voltage Resistance Checker for Ni-MH, Ni-CD, Li-ion, Alk & LiFe04 Batteries(AA AAA C D 9V 12V 18650 CR123A 2CR5 CR2032 Cells)

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

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

TOPWAY Digital Battery Tester, Portable Digital Battery Measuring Diagnostic Checker Analyzer for AA, AAA, C, D, PP3, 9V, 1.5V, Button Cell Batteries (Model: BT-168D)

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

TOPDON Car Battery Tester BT300P-A, 12V 24V Battery Tester with Printer, with Battery Test, Cranking Charging Test for 100-2000CCA Batteries, Carrying Bag, 3 Rolls of Printing Paper Included

Sign up and get exclusive special deals