The Sealey Digital Start/Stop Battery and Alternator/Starter Tester (Model BT2011) is a professional diagnostic tool designed to provide comprehensive in-vehicle testing of 12V battery systems, starter motors and alternators. This robust tester delivers complete diagnosis in seconds, making it an essential tool for automotive technicians, mobile mechanics and garage workshops handling modern vehicles. Supporting all 12V battery types including standard Lead-Acid, VRLA, GEL plus AGM and EFB batteries found on Start/Stop vehicles, this digital tester performs multiple diagnostic functions. The in-vehicle test mode evaluates battery health, state of charge, internal resistance and cranking voltage, whilst also assessing charging system voltage at rest and under load. Built for workshop durability, the tester features a heavy-duty rubber protection cover and operates without generating heat or sparks, eliminating the risk of misdiagnosis. Safety features include reverse polarity protection and battery temperature compensation for accurate readings across varying conditions. The clear 4-line/16 character LCD display provides easy-to-follow prompts and precise results, whilst multi-language support covers ten languages including English, French, German and Spanish. With an 8-30V voltage range and supporting multiple rating systems (EN, JIS, DIN, IEC, CA(MAC), SAE), this lightweight 271g tester offers versatility for testing a wide range of automotive batteries. The comprehensive CCA test ranges span from 25-2400 CCA depending on the rating system, accommodating everything from small vehicle batteries to larger commercial applications. Features and Benefits: • Tests all 12V battery types including AGM and EFB for Start/Stop vehicles • Diagnoses battery, starter motor and alternator in one comprehensive tool • No heat or sparks operation ensures safe workshop use • Reverse polarity protection prevents accidental connection errors • Battery temperature compensation for accur

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