Battery Will Not Hold Charge - Mercury 150 Manual

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Damaged or improper size propeller.
Incorrect engine timing, adjustments, or setup.
Boat overloaded or load improperly distributed.
Excessive water in bilge.
Boat bottom is dirty or damaged.

Battery Will Not Hold Charge

POSSIBLE CAUSES
Battery connections are loose or corroded.
Low electrolyte level in battery.
Worn out or inefficient battery.
Excessive use of electrical accessories.
Defective rectifier, alternator, or voltage regulator.
Open circuit in the alternator output wire (fused link).
TROUBLESHOOTING
50

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