Fast 12amp and normal 8 amp charge settings. LED battery condition tester. LED charging status display. +/1 polarity inversion protection. Thermal overload safety cut-out. Insulated copper leads and battery clips. Input 230V - 50Hz 160W - Output 12V (for lead acid batteries only). Normal RMS 8A (Arith DC 5A) Fast RMS 12A (Arith DC 8A)