A 12V battery tester, designed to test battery health and predict battery life. An ideal tool to assist the inspection and maintenance of the electrical system of the vehicle. Suitable for voltage 12V (9V - 15V) normal lead acid battery, sealed maintenance free battery, maintenance free battery, standard type battery, EFB battery, AGM battery.Functions: CCA testing - SAE, DIN, EN, IEC,CA; battery voltage & charging voltage when engine is starting. Accuracy: +/-0.05V; reverse polarity protection up to 20V DC; operating temperature: 0°C - 50°C. Display: LCD with back light.