Looking for a powerful 12V/24V battery tester that can check CCA, State of Health, charging performance, and starter load in seconds? In this video, we test and review the FNIRSI BTM-24 Multi-Function Car Battery Tester — a compact diagnostic tool designed for cars, trucks, AGM, GEL, EFB, and flooded batteries. --- 🔍 What You Will Learn in This Video ✔ FNIRSI BTM-24 Unboxing ✔ Features, screen interface & build quality ✔ How to test battery health (SoC, SoH, Internal Resistance) ✔ Real-time CCA
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