OTC Tools 3183 Digital Battery Tester OTC's Digital Battery Tester tests and analyzes 12 volt, 125-1400 CCA batteries by measuring multiple parameters within the battery to deliver fast, accurate, and reliable results A live voltmeter allows easy starting/charging system testing; bright, 4 digit LED display indicates battery's good/bad status, voltage, and available CCAs Utilizes cost effective conductance test technology for accurate testing, at a value price point, that delivers quick, 1-second, initial results This versatile tool detects and identifies loose leads, detects bad cells, compensates for cold temperatures, and includes a surface charge warning Measures multiple international units: CCA, IEC, DIN, BCI, and EN and comes complete with a soft sided carrying case to keep the tool protected when not in use