DUOYI DY2015 12V Car Battery System Tester – Reliable & Precise Diagnostic Tool
High-precision digital display for accurate battery voltage, capacity, and cranking test results. Built with advanced electronic load technology for fast, safe testing without sparks or overheating. Durable ABS housing with reinforced connectors for rugged workshop or roadside use. Tests 12V lead-acid, AGM, and gel batteries—ideal for mechanics, car owners, and fleet maintenance. Compact, lightweight design fits in glove compartments or toolkits for on-the-go diagnostics. Simplified one-button operation with auto-shutoff to conserve battery life. Backlit LCD screen ensures clear visibility in low-light garages or outdoor conditions. Includes reverse polarity protection to safeguard device and battery during testing. Complies with CE safety standards for professional-grade reliability.