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Operation
3–6
2. Set the Battery Type selector switch according to the table below.
3. Set the Battery Temperature selector switch for the temperature of
your battery as follows:
If temperatures fluctuate near the batteries, set this switch each time
you charge the batteries.
If your batteries are in different locations with different temperature
ranges, set the switch to Hot or to the temperature of the warmest
location.
4. Ventilate the area around the battery thoroughly. Review the charging
instructions supplied by the manufacturer of your batteries and take
any steps required such as removing battery caps, adding distilled
water and so forth.
5. Apply AC power to Truecharge+ by closing the AC breaker and/or
applying shorepower. The indicator lights will blink as an
initialization sequence runs, lasting typically 10 seconds or so. After
initialization the yellow charging indicator light illuminates.
During charging, the charging current indicator lights show the total
current being delivered to the batteries. When charging a discharged
battery, the 20 A indicator light on Truecharge 20+ (40 A indicator
If your battery is then select
Flooded (has removable caps
intended for refilling)
Flooded
Any sealed type but AGM Gel
Absorbed glass mat AGM
If battery temperature is Select
Below 50 °F (10 °C) Cold
Between 50 °F (10° C) and
80 °F (27 °C)
Warm
Above 80 °F (27 °C) Hot
Note: The remote temperature sensor, if installed, overrides this setting,
and it controls the charge voltage based only on the battery to which
the sensor is attached.