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Winnipeg's avatar
Winnipeg
Explorer
Jun 02, 2018

Yamaha 1000w inverter for maintaining batteries

Hi, Sorry if this is a repeat question (I searched and didn't find). I have a MH with 4 @ 6v batteries, 2000w inverter, and residential fridge. I would like to maintain the batteries (while ...
wnjj's avatar
wnjj
Explorer II
Jun 02, 2018
The 12V power on those generators is nearly useless at only a few amps. Using 120V is where you’ll get the maximum output. If your onboard charger is too large to be powered by the generator, a separate (120V to 12V) charger can work fine.

I’m not sure I follow the 12V to 120V to 12V. The generator makes much more than 12V DC internally before being converted into a 120V sine wave. I’m not sure why they bother with a 12V output. Maybe the electronics have a 12V rail so they just added a jack.

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