Go Power Go Power! By Valterra GP-PWM-30-UL Solar Controller...

Go Power’s 30 Amp digital solar controller accepts 80-600 watts of solar and protects the life of your solar battery, whether it’s Lithium, AGM, or Lean Acid. A solar charge controller is an essential component of your photovoltaic (PV) system. The controller maintains the life of the battery by protecting it from overcharging by limiting current flowing into the batteries from your solar array.

30 amp pulse width modulated digital regulator adjustable for Lithium, wet cell, AGM, and gel batteries
Full 4 stage battery bulk absorption and float with an equalize for wet cell batteries
Capable of handling 570 watts of solar
Displays voltage, amperage and battery percentage of charge