Guest On-Board Battery Charger - 6A - 1-Bank This Guest On-Board Battery Charger - 6A - 1-Bank is completely sealed and epoxy filled. It features non corroding housing for ultimate reliability and a microprocessor controlled for accurate charging. With intuitive operation and isolated outputs, this battery charger is designed for harsh marine and industrial environments. The outputs can be put in series or parallel for higher voltage or current. Features Microprocessor Controlled For Accurate Ch