CHAPTER XX
BATTERIES
We recommend a two-part battery system.!
a) ENGINE!
One 100 amp. battery should be used exclusively!
to start the engine. There should be no connection!
between this battery and the other electrical systems on!
the boat. Your source of energy is the engine and as!
long as you can start it, you will be able to supply!
electricity where needed.!
b) BOAT ELECTRICITY!
The other part of the system consists of two!
batteries of 150 amp. or more each, which are of the!
deep-cycle type. These can be drained to a very low!
level and recharged without damage. This is the type of!
battery used in forklifts and golf carts. Do not use the!
same type of battery as the one used for the engine. An!
insulator should also be used to allow the charge given!
by the alternator to go to the battery that requires it,!
and prevent any charge exchange between batteries.!
"Professional Mariner" has a system which allows manual!
use of the alternator as opposed to automatic. This!
allows a more rapid and efficient charge. You surely!
don't wish to run the motor for 3 hours for the sole!
purpose of recharging the batteries. If your boat is!
equipped with a watermaking system with the compressor!
on the engine, a refrigeration system with a compressor!
also attached to the engine and a manual control of the!
electricity from the alternator, your engine should have!
to operate!
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