Forum Discussion

Gerald55's avatar
Gerald55
Explorer
Dec 02, 2015

Switch for alternator to coach battery disconnect

I would like to be able to sometimes turn off the engine alternator charging of the house batteries on my rig. To do that, I'm thinking of putting a switch on the positive chargeline running from the ...
landyacht318's avatar
landyacht318
Explorer
Dec 03, 2015
A few minutes after starting my engine, my starting battery is back down to sub 1 amp acceptance levels at 14.4v+

I imagine if one has a large depleted bank of AGM batteries taking everything the alternator can produce say 80 amps, then flips the switch to off. I could imagine the rectifier bridge in the alternator not being happy with the instantly dramatically reduced load on the alternator.

Enough to blow the diodes? I don't know

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