UL has announced a new edition of UL 1564, which applies to “Industrial Battery Chargers.” The 4th edition can be purchased on UL’s website.
“These requirements cover battery chargers rated 600 volts or less. They are intended to be used in accordance with the National Electrical Code, NFPA 70, to charge industrial storage batteries which are used to provide power for material handling trucks, tractors, personnel carriers, and similar motive equipment. These chargers may be either cord and plug connected or permanently connected.”
*Description from the UL website.