Quote Originally Posted by pstone
How many Marine cranking amps, and cold cranking amps do you need to start a 50 hp Mercury? I don't even know what that means, or what the difference is.

I will also be running my bilge, and aerator pumps off of this battery.

Thanks
Patrick
650 should be fine. If all you are running is the pumps & motor,as long as the stator on your motor is good then I don't see why you should have to charge it. at least I don't mine,,,,,,,