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Maintain Mode (Float-Mode Monitoring)
When the CHARGED 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 charger has to provide its maximum maintain current for a
continuous 12 hour period, it will go into Abort Mode (see Aborted
Charge section). This is usually caused by a drain on the battery,
or the battery could be bad. Make sure there are no loads on the
battery. If there are, remove them. If there are none, have the
battery checked or replaced.
Maintaining a Battery
The Schumacher SEM-1562A is a battery maintainer, and
maintains both 6 and 12 volt batteries, keeping them at full charge.
It can charge small batteries and maintain both small and large
batteries. If you are maintaining a fully charged large battery, you
will be properly utilizing the battery charger. However, if you use
the battery charger to charge a large battery, such as a marine
deep cycle battery, that was not fully charged, you may lose some
of the battery’s capacity. This would cause the large battery to be
unable to hold a charge and become useless. Therefore, we do not
recommend charging a large battery with this unit.
NOTE: The maintain mode technology utilized in Schumacher’s
maintainers allows you to safely charge and maintain a healthy
battery for extended periods of time. However, problems with your
battery, electrical problems in your vehicle, improper connections
or other unanticipated conditions could cause excessive current
draws, as such, occasionally monitoring your battery and the
charging process is recommended.
CALCULATING CHARGE TIME13.
Find your battery’s rating on the chart below, and note the charge
time given. The times given are for batteries with a 50% charge prior
to recharging. Add more time for severely discharged batteries.
CCA = Cold Cranking Amps
AH = Amp Hour
RC = Reserve Capacity
MAINTAIN ONLY = See Maintaining a Battery in the “Operating
Instructions” section.