2 charging systems, one battery.

[Nos4r2]

I've got a 5hp kicker and a 50hp mercury. BOTH have charging circuits. It seemed like a good idea on the kicker as it's got a 55w charging coil on it- I should be able to run the auxiliary gear while trolling and not lose charge.<br /><br />Can anyone think of a way I can have both charging circuits connected to the battery without having to manually switch over via a 2-way battery isolator?<br />My concern is that if I have a failure of either rectifier then I'm going to fry the alternator on the other engine when power feeds back througfh it.

 

[chuckz]

Re: 2 charging systems, one battery.

A series diode in between the alternator and the battery of each motor will isolate the charging systems from each other and and charge the battery. Just don't run both motors at the same time. The diode has to be rated for equal to or greater than the maximum charging current.

 

[Nos4r2]

Re: 2 charging systems, one battery.

cheers LI, thats a good idea.

 

[Richard Petersen]

Re: 2 charging systems, one battery.

I run a 28 and a 9.9 same time, no problems. ONLY the 28 is feeding the the battery.

 

[Nos4r2]

Re: 2 charging systems, one battery.

I'll be using my kicker quite a lot though-that's why I want the 2 systems. From the ramp where I launch to the end of the speed limit it's nearly 2 miles and coupled with trolling time the 5hp kicker will probably be doing the majority of the charging. There's really not a lot of point me running the 50hp in a 6 knot limit.