They look like this: http://www.publicsurplus.com/sms/docviewer/aucdoc/DSC00017.JPG?auc=895399&docid=6849105
Input: 120/208/240VAC (13.5A at 240VAC) Output: Max 28VDC 100A They're designed to maintain float on big 24VDC wet cell lead acid battery strings. Huge and heavy. Free to whoever wants to pick them up in WA state. I have at least four and maybe six units available.
