DFA-38 is a fulyl automatic five-stage charger for 12v batteries up to 100Ah. Ideal for lead-acid, GEL and AGM-type batteries. Charges fully flat batteries. Protection class IP65 - water and dust resistant, can be used outdoors. Voltage current: 0.8/ 3.8A , 12V. Battery capacity Min 1,2Ah- Max 100Ah.