Is it worth it to add a rectifier/regulator to my Yamaha 15 hp outboard to charge a deep cycle battery?
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Is it worth it to add a rectifier/regulator to my Yamaha 15 hp outboard to charge a deep cycle battery?
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Does it have the required charge coils under the flywheel? If it does you should already have at least a rectifier. There should be 2 yellow wires coming from underneath the flywheel. Also if your motor is electric start from the factory you already have a charge circuit.
It is not electric start. I haven’t looked yet, but to my understanding it should have the output from the flywheel. I was just curious (providing it’s possible) if it would charge the deep cycle battery enough for it to be worth it.
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What is your intention as far as charging the battery?
Keep up with GPS/lights, etc or trolling motor?
All of the above I guess.
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What's wrong with just using a battery charger ?
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I don’t have an extension cord long enough while out on the lake. Lol. I have an on board charger for when the boat is parked. I’m trying to get a little extra life, while on the water, for longer days of fishing.
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What are you running on this battery? Also what size or group deep cycle battery do you have? And how long can you run now before you run out ?
And if your trolling...What size trolling motor ? ...and what speed in mph ?
Unless your planning on running the motor half the night or longer at half throttle don't think your going to gain much charge for a deep cycle battery. Charging circuits on most out board motors are only designed to replace the surface charge pulled from electric cranking. And minor electrical draws. On larger 4 stroke motors with alternators little bit different story. But still would require a lot of run time to recharge a battery depleted from a trolling motor.