Cyclic Voltage: Flooded 2.47 volts/cell; Gel and AGM 2.4 volts/cell. May be preset to customer's specification for battery type. Charge control: constant current charge to a constant voltage, then to a float standby. Comes with Crowsfoot Adapter (Pictured) Fully automatic 3 stage charger can be left on the battery in maintaining/float mode. Can be set for any type lead acid battery, including conventional, non maintenance, deep cycle, gel, valve regulated batteries.