Definitions for "Float Charging"
A recharge at a very low rate, accomplished by connection to a buss whose voltage is slightly higher than the open circuit voltage of the battery.
Float charging is charging at a relatively low voltage. It is applied after a full battery charge at normal (bulk) charge.
A format of charging mode. Battery will release capacity even when it is not in use. Float charging function supplies minimum voltage and current to maintain battery capacity on the full level when the battery is fully charged.