What’s your preferred onboard power setup?

Ember

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Dec 3, 2025
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The other day while messing with the wires on my setup I noticed everyone has a crazy different opinions about onboard power. Some people are all about 120V, some only roll with 240V and others mix and match.

So I'm wondering, what’s your go-to for onboard power? 120V, 240V, or a little of both? And what's the reason?
 
I'm all about that 240V life since I found out it saves me a bunch of time. When I was first setting things up, I tried using 120V, but the slow charging was driving me nuts. Once I switched, things got way faster, so now I just stick with what works.
 
yeah, go 240V for any high power appliance (chargers, AC units, big induction cooktops) because 240V delivers the same power at half the amperage (current) compared to 120V.
Lower current means you can use thinner, lighter, and cheaper wiring without the risk of overheating or voltage drop. efficient, right!
 
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