The sealey bt2012 is a professional digital battery and alternator tester designed to provide comprehensive electrical system diagnostics for automotive workshops and mobile mechanics. This versatile battery tester delivers a complete diagnosis of the vehicle battery, starter motor and alternator in seconds, making it an essential tool for efficient fault-finding and preventative maintenance. Built to handle modern vehicle electrical systems, this tester supports all 12v battery types including standard lead-acid, vrla, gel, plus agm and efb batteries found on start stop vehicles. The unit can work on batteries with as little as 1.5V of residual charge, allowing diagnosis even when batteries are severely depleted. A large lcd screen clearly displays charging and starting system status, returning decision-making information quickly to streamline workshop efficiency. Practical features include an integrated printer facility to provide professional test results for customer records and warranty claims. The tester is protected by a heavy-duty rubber cover for improved grip and durability in workshop environments. Supporting multiple international rating systems including din, en, iec, sae and jis, the bt2012 covers test ranges from 50-1400 cca depending on standard, with voltage range capability from 1.5-17V. Features and benefits: tests battery, starter motor and alternator for complete system diagnosis compatible with modern start stop vehicle batteries including agm and ef...