AUTOMATIC BATTERY CHARGER AND STARTER - designed for charging, maintaining, and boosting a variety of AGM (stop/start), GEL, lead acid and Lithium LiFePO4 batteries up to 300Ah. INTUITIVE - digital display and 150A peak engine start function, makes this unit ideal for every workshop. FEATURES - overcharge, short circuit, and reverse polarity protection. DEDICATED CHARGING PROGRAMS - for AGM, GEL and conventional lead acid batteries with fully automated charging algorithms. FAST CHARGE PROGRAM - for larger batteries. AUTOMATIC BOOST/ENGINE START FUNCTION - once 12V mode is selected and battery voltage is over 4V. PORTABLE DESIGN - with carry handle and cable management system which allows the clips to be stored neatly away when not in use.