ANENG BT-171 Tester Batteria 12V Resistenza Interna Capacità Test Indicatore LED
BT-171 Battery Tester Monitor Panel Gauge-Battery Status-Indicator Universal 12V. Battery tester 1. Compact and portable. FULL-Full: LED light is on, the battery is in normal condition. LED light: red/yellow/green/blue/white color light.