Batteries
6.2
Batteries will last longer if they are kept charged during
periods when they are not used. Be sure to check the water level
in the batteries at least every two weeks. Adding water to a partially
charged battery will lower the charge in the battery. Never add water
to a battery which is charging, either via the engine alternator or a '
separate charger. Be careful in adding water so that the battery acid does
not splash. Never add salt water to a battery. Most boat batteries
have a shortened life from improper storage during lay up periods,
lack of water, and the use of "quick" chargers. Distilled water is
preferable for batteries, if available.
Battery Chargers
A proper marine battery charger is strongly recommended. The use
of inexpensive automotive type battery chargers which do not have built-
in isolation transformers can cause electrolysis to the vessel. One
safeguard is to disconnect the NEGATIVE battery lead from the engine
when using any charger other than a high quality marine charger with a
built-in isolation transformer.
Always ventilate the battery compartment when using a battery
charger.
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