Only works with the key on. There is a switch for the inverter with 2 lights. They are difficult to see and will reset to off when the T4 is off. You have to remember to hit the switch each time you start the T4.
I use mine often for charging and anything that takes less than 100 watts which is about 0.8 amps. If the T4 is running but not in gear it will deliver 400 watts. I have used it a few times for small tools.
We have a new Sienna and there is no switch, it's always on.
Most won't do this, but there is lot of good stuff in it.
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Linear Mode
