V311B Car Battery Tester – 12V Battery Diagnostic Tool
Accurate 12V battery testing with advanced diagnostic technology for quick voltage, cranking, and charging system analysis. Heavy-duty ABS casing with shock-resistant design ensures durability in harsh garage or roadside conditions. Backlit LCD screen delivers clear readings even in low-light environments, ideal for night-time or underground parking checks. Compact and lightweight for easy storage in glove compartments or toolkits—essential for mechanics and DIY car owners. Supports multiple battery types (standard AGM, gel, flooded) with one-button operation—no complicated setup required. Perfect for fleet maintenance, roadside assistance, and home vehicle care—prolong battery life with precise diagnostics.