What is Reddit's opinion of 2000Watts Voltage Converter, 220V to 110V Converter, International Plug Adapter, Universal Travel Adapter, Power Converter Adapter Combo, US to Europe, UK, Israel, Africa Over 150 Countries?
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You could try this. The supersonic is rated for 1600W so this should cover it

2000W Voltage Converter Adapter US to Europe, UK, Australia, Italy, Spain, Asia Over 150 Countries - Step Down 220V to 110V for Electric Product Like Hair Dryer Steam Iron Cell Phone Laptop MacBook https://www.amazon.sg/dp/B07GML6P16/ref=cm_sw_r_apan_i_Y80AARZ6AFQAGGXZC9KC?_encoding=UTF8&psc=1

Yes thats the amp!

Luckily for you I studied electrical engineering. For electrical devices, always match the voltage and exceed the amperage. You'll need to get a step-up transformer that converts 120V->230V. Something like this: https://www.amazon.com/Adapter-Voltage-Converter-Compatible-MacBook/dp/B07GML6P16/

Be careful though, using the wrong voltage will damage the device if it's not fused (not sure if wilfa is internally fused).

There are both voltage and plug converters like this available if you don't mind the extra bulk.

Pretty sure the power supply supports both 120V and 240V. If not you can use something like this: https://www.amazon.com/Adapter-Voltage-Converter-Compatible-MacBook/dp/B07GML6P16

here you go much cheaper option however Amazon.

Thanks for mentioned this for me, I just look under the machine and it said 120v 60hz 1500w.

May I ask you one more question? Will this one work for step down machine?

or do I have to use something like this

< $50

< $50

< $50