KINGBOLEN BM580 6V&12V Cars Motorcycle Engine Charging System Battery Tester 【Why choose KINGBOLEN BM580?】 >>2.4 inch TFT Color Screen: High-definition TFT LCD screen display >>Reversible Access: 【Overvolatge Input Protection】The positive and negative poles are connected incorrectiy,and the device can be normal test. >>Multiple Functions In One: 【Battery Test】Life / Voltage / CCA / Internal resistance 【Start The Test】 Battery discharge performance 【Load Test】 Engine performance 【Charging Test】 Engine charging system【Built-in Multimeter】 >>Voltage Waveform Monitoring: Monitor the battery status in real time >>Multiple Battery Types: EPS lead-acid / Car start battery / AGM&EFB start-stop / Electric vehicle battery / UPS lead-acid battery / Gel battery >>Accurate detection:.