【ACCURATE BATTERY DIAGNOSIS – SOH, SOC, CCA & RESISTANCE】This battery load tester displays voltage, State of Health (SOH), State of Charge (SOC), Cold Cranking Amps (CCA), and internal resistance. The backlit screen shows “Battery Good” or “Battery Poor” as a reference result. Works with flooded, AGM, gel, and lead-acid batteries. Suitable for pre-trip checks or seasonal storage. 【ALTERNATOR & STARTER TESTING – CHARGING SYSTEM CHECK】 This car battery tester monitors alternator output and starter draw to help detect charging system changes early. Compatible with 12V and 24V lead‑acid systems rated 100–2000 CCA. References common industry standards (SAE, DIN, IEC, EN, JIS) for consistent readings.
