I have 2 blue Optima batteries. The on board battery charger says one is fully charged but it won't start the boat. Any of you guys know how to deal with batteries?
:max_bytes(150000):strip_icc()/why-does-car-battery-die-4140227-ad907eef646446d6a1306940af16410a.jpg "Diagnosing a Dead Car Battery")
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