How to Test an AGM Battery: Complete Diagnostic Guide for 2024

Did you know 68% of deep cycle battery failures occur due to improper testing methods? AGM (Absorbent Glass Mat) batteries power everything from solar systems to marine electronics, yet most users don't know how to test them correctly. This guide reveals professional-grade testing techniques that could save you hundreds in premature replacements. [2025-05-01 08:38]