The float voltage for lead-acid battery is about 13.5-14.0V. No harm to battery at this voltage. Ignacy -- View this message in context: http://elecraft.365791.n2.nabble.com/Continiuous-charging-of-K2-gel-cell-battery-using-KBT2-tp6769344p6769397.html Sent from the Elecraft mailing list archive at Nabble.com.