Power Converter by WFCO. See details for more information.
The WF-8540 model provides 40 Amps and 13.6 VDC nominal outputs. Automatic three-stage charging extends the life of the battery with output voltage modes of 13.2 VDC range “float” mode, 13.6 VDC range “absorption” mode, and a 14.4 VDC range “bulk” charge mode. (Screw Terminals)