Tayana -48 Owner's Manual page 19

Batteries System
There are five 225 AH and one 160AH batteries. The 160 AH
battery is dedicated to start the main engine, one of
batteries are dedicated to start the generator, two of
batteries are dedicated to start the bow thruster and the
remaining two to house service.
Your 12V batteries system is powered by marine grade
12 volt, 225-AMP-hour battery. Attention should be given to
maintaining the proper level of distilled water. Do not overfill. The
batteries location can be found in the salon arrangement layout.
The batteries are provided with a tie-down to prevent
tipping over at extreme angles of heel. Be sure these tie-downs
are fastened securely.
With proper care, the battery installed will provide long and
satisfactory service. Proper care is not difficult, if a few basic
points are kept in mind.
CAUTION!
In order to prevent a short circuit between battery
terminals, do not store conductive objects near the batteries （e.g.
metal tools,...）.
WARNING!
The electrolyte in a battery is a solution of sulfuric acid. If
any should enter the eyes, rinse immediately with large amounts
of fresh water and seek medical attention. Electrolyte spilled on
skin should be rinsed well with fresh water, also. Even a small
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