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A poorly maintained battery will quickly deteriorate.

1)Check the electrolyte level at least once a month. Fill to the manufacturer’s rec- ommended level when necessary.

Top-up only with distilled water (or pure de-ionized water suitable to use in bat- teries).

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Ordinary tap-water contains minerals harmful to a battery, and should not be used for topping-up.

2)Keep the battery always in a good state of charge. Installing a voltmeter will help you monitor your battery.

If you will not use the boat for a month or more, remove the battery from the boat and store it in a cool, dark place.

Completely recharge the battery before using it.

3)If the battery will be stored for longer than a month, check the specific gravity of the fluid at least once a month and recharge the battery when it is low.

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