... ,FCC,ROHS Certifications 4.Safe and convenient Automotive Battery Tester T806Functions:1.Battery Test2.Charging System Testing3. ... battery’s main specifications: Internal Resistance, CCA, Voltage, Electric quantity, Life-span.2.Various standards build ... tested.Voltage range: 9-18V(DC)Working temperature: -18~50°CDimension: 221mmX99mmX31mmGuaranteed for one yearFunction Chart: Automotive Battery Tester ...