• Fully automatic 7-stage battery charger, designed for trickle charging and maintaining a variety of EFB and AGM (stop/start), GEL, lead acid and calcium batteries with auto chemistry selection. • Automatically selects and charges 6V, 12V, or 24V batteries depending on battery connected. • Zero volt battery charging, enabling recovery and charging of a completely discharged battery (providing any load removed from the rechargeable battery). • Old battery sulfation repair function. • Reverse polarity, short circuit, over temperature and overcharging protection. • Intuitive LED screen displays illuminated charging stages, volts and amps output and battery capacity. • Compact design with unique retractable hanging hook, and cable management system which allows the clips to be stored neatly away when not in use. • 5 Year guarantee*.