
Get German-engineered precision diagnostic power right on your driveway. Achieve 99.5% laboratory-grade accuracy across 12V and 24V batteries for cars, trucks, motorcycles, and boats.




The Caratesal Car Battery Tester provides instant, 99.5% accurate diagnostics of your battery's health, cranking performance, and charging alternator. By identifying issues before they leave you stranded, it ensures ultimate confidence on long road trips or daily winter commutes.
Why pay expensive garage fees just to test a battery? Caratesal brings professional-grade, laboratory precision right to your driveway. Troubleshoot starting, charging, and overall battery performance in seconds without booking appointments or visiting 4S stores.


Designed with a vibrant 1.7-inch TFT colour screen, rapid I/M and VIN shortcut keys, and comfortable soft rubber buttons. Caratesal features automatic vehicle recognition and intelligent matching, making professional testing incredibly simple even for absolute beginners.



"Caratesal achieves the ultimate standard in consumer-accessible vehicle diagnostics. By offering 99.5% laboratory-grade accuracy on both 12V and 24V electrical systems, it empowers everyday vehicle owners to avoid costly breakdown services and unnecessary battery replacements."
– Marcus Thorne, Senior Automotive Engineer & Fleet Specialist


Caratesal inherits German quality genes, providing heavy-duty electronic reliability trusted by professional garages and European consumers alike.

Advanced internal processing delivers highly precise results across standard battery health checks, start/cranking tests, and charging analyses.

Universally compatible with cars, heavy trucks, marine vessels, buses, motorcycles, and beach carts for complete versatility across your fleet.


The high-impact ABS housing is drop-resistant, grease-resistant, and built to survive the toughest garage or emergency roadside conditions.

Features a brilliant 1.7-inch TFT colour screen, rapid shortcut hotkeys for I/M and VIN, and soft rubber buttons for incredibly easy, comfortable operation.

Easily connect the tester to any PC via USB to install free, lifetime software upgrades, keeping your automotive database constantly up to date.











We understand how critical on-road safety and vehicle reliability are. Our dedicated support team is always here to assist with diagnostics, software updates, or device settings so you can test with complete confidence.
Frequently Asked Questions
Saved me from being stranded on a freezing winter morning! Easily diagnosed a failing alternator that my local garage had missed. Extremely accurate and incredibly easy to use.

Outstanding piece of kit! Testing the leisure batteries on our motorhome was a doddle. The colour screen is crystal clear, and the overall construction feels incredibly solid.

As a classic car restorer, this tool is indispensable. It works brilliantly across 12V and 24V AGM and GEL batteries. Lifetime USB updates are a brilliant extra touch!
