Napa Essentials Napa 85-300A - Manual (Page 11)

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Completion of Charge
Charge completion is indicated by the LED. When lit, the
charger has switched to the Maintain Mode of operation.
Maintain Mode (Float Mode Monitoring)
When the LED is lit, the charger has started Maintain Mode. In
this mode, the charger keeps the battery fully charged by delivering
a small current when necessary. If the battery voltage drops below
a preset level, the charger will go back into Charge Mode until the
battery voltage returns to the full charge level, at which point the
charger will return to Maintain Mode.
NOTE: The charger automatically switches between Charge Mode
and Maintain Mode as necessary. The LED will cycle on when
the battery is at full charge and off when the voltage drops below a
preset level and the charger goes into Charge Mode. This cycle will
continue, and the LED will stay on for longer periods of time as
the battery becomes more fully charged.
NOTE: The maintain mode technology utilized in this maintainer
allows you to safely charge and maintain a healthy battery for
extended periods of time. However, problems with the battery,
electrical problems in the vehicle, improper connections or other
unanticipated conditions could cause excessive current draws.
As such, occasionally monitoring your battery and the charging
process is recommended.
13. MAINTENANCE INSTRUCTIONS
13.1 After use and before performing maintenance, unplug and
disconnect the battery charger (see sections 6, 7 and 8).
13.2 Use a dry cloth to wipe all battery corrosion and other dirt or oil
from the battery terminals, cords, and the charger case.
13.3 Ensure that all of the charger components are in place and in
good working condition.
13.4 Servicing does not require opening the unit, as there are no user-
serviceable parts.
13.5 All other servicing should be performed by qualified service
personnel.