... constant. No need manual adjustment.E. AC wide range of input F. Intelligent temperature controlled fan and over temperature automatic shut ... , 12v battery and charger specification ItemPerformance ParameterAC/DC compatible inputAC220V±15%, 50/60hz inputCharge current 5A,8A,11A,15A,19A,23A ... and stock status. Mostly, processing time can be 3 to 15 working days.3. All items must be returned in their ...