Sealey Digital Battery & Alternator Tester 12V

The Sealey Digital Battery & Alternator Tester 12V is an essential diagnostic tool for automotive professionals and enthusiasts. This compact handheld device delivers precise voltage and load testing for 12V battery systems, enabling rapid assessment of battery condition and alternator output without unnecessary guesswork on the workshop floor. Featuring a clear digital display, the tester provides instant readings of battery voltage, cranking capability, and alternator charging performance.

The intuitive interface allows technicians to quickly identify weak or failing batteries before they cause vehicle breakdowns, whilst the alternator function confirms whether charging systems are delivering adequate output under load. Built to withstand demanding workshop environments, this Sealey instrument combines durability with straightforward operation. Its portable design means you can carry it between jobs, making it invaluable for mobile mechanics, fleet maintenance teams, and garages managing multiple vehicles.

The 12V specification covers the vast majority of automotive applications, from cars and light vans to motorcycles and small plant equipment. Whether you're performing routine battery health checks, diagnosing electrical faults, or validating alternator repairs, this tester eliminates ambiguity and reduces diagnostic time. A reliable addition to any professional toolkit.