Not that good.
This Inverter is supposed to be rated at 150 watt, but it struggles to run a 65 watt laptop power supply. Its possible that it may be able to handle a surge of 150 watts for a microsecond, but cuts out frequently on the laptop. I think it has a normal working rating of about 50 watts, the rest is asian hype. Don't buy unless all you want is usb charging ports, and you can buy cigarette socket ports far cheaper.
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