BR502 Car Battery Tester 6V/12V/24V Analyzer Tool Diagnostic SOC SOH CCA Test. CCA Range: 100-2000 CCA. ????Multiple Standards - Supports CCA, BCI, JIS, DIN, IEC, EN, SAE, GB, and more. ????Wide Compatibility - Works with 6V, 12V, and 24V lead-acid batteries (including Standard, AGM, and Gel).