/diy/ - Do It Yourself

Anonymous Thu May 30 02:34:08 2019 No.1620142 [View]
File: 2.89 MB, 4656x3492, IMG_20190510_210144.jpg [View same] [iqdb] [saucenao] [google]

I'm building a 'house' battery box for the back of my truck.
Plan is to wire the house battery in parallel with the starter battery, with a voltage sensing relay inline on the hot side so that the battery charges off my alternator, then disconnects when my truck is off.

I have two questions:
>What type of quick disconnect can I put on the side of my battery box that will handle the amperage of my alternator?
>If I have some 12v accessories connected to my house battery, say a laptop charger, while my alternator is running will that fry anything?

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/diy/ - Do It Yourself

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