Replaces the lower power converter section on any WF-8935 Series converter. Installs easily with only 2 screws, three AC wires, and two DC wires. All WFCO converters including mainboard assemblies are provided with three-stage electronic switch mode design. Output: absorption 13. 6V DC range (includes charging and load); bulk 14. 4V DC range; float 13. 2V DC range.