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maintaining a fully charged large battery, you will be properly utilizing
the battery charger. However, if you were to use this 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
maintainers 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.
CALCULATING CHARGE TIME13.
Battery Percent and Charge Time: This charger adjusts the
charging current in order to charge the battery completely, efciently
and safely. The microprocessor automatically performs the necessary
functions. This section includes guidelines that can be used to
estimate charging times.
Use the following tables to more accurately determine the time it will
take to bring a battery to full charge.
2 Amp, 12 Volt Battery Battery Condition
Ampere Hour Battery
Capacity
Approximate Average Charge Time in
Hours
50% Discharged 100% Discharged
10 3.2 6.2
12 4.0 7.5
20 6.4 12.4