This is imported standard quality real MPPT solar charge controller,Its compatible with all types of batteries.Starting Pv is 18 volt dc whereas Maximum Pv is 100Vdc. MPPT has out put load option for 20 Ampere.Out put can be control through setting. The Mppt is designed for flooded battery,gel battery,sealed battery,and lithium battery.Moreover,if a user want his own setting for cut off voltages and for dc load on and off, he can do it by pressind enter button for 5 second to go in setting menu.