Brunswick Boston Whaler 22 Guardian Series, Operation & Maintenance Manual

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5-3
Battery Systems Section 5
Capacities
Exide
®
marine heavy-duty 12-volt batteries are nor-
mally selected for your boat. One Group 24 1000
marine cranking amp (MCA) battery is provided for
each outboard engine and one Group 27 115 amp
hour, deep cycle battery is normally provided for the
boat’s electrical accessories. These batteries are con-
sidered wet-cell and require periodic maintenance.
Your boat might be equipped with Optima
®
Blue Top
marine batteries. Optima batteries use spiral cell tech-
nology to improve vibration resistance and service life.
These batteries are classified as non-spillable and do
not require periodic checks of electrolyte levels.
With proper care, these marine heavy-duty batteries
will last several years. Refer to any maintenance
information that came with the batteries and to Batter-
ies in Section 6 of this manual.