5000W Voltage Converter Heavy Duty 220V⇋110V Step Up /Down Power Transformer Note For safety, it’s recommended by the manufacturer that the voltage transformer’s maximum power should be equal or greater than the power rating of your appliance multiplied by 2.5. For example, if you have an appliance rated at 100 watts, you will need to pick a transformer with a maximum power of 250 watts or greater. The power of our transformer must be 2.5 times larger than the buyer's appliance to be used normally. Description: Maximum power capacity：5000W Dimensions：33.5cm*25cm*22.5cm/13.19in*9.84in*8.86in G.W：13.5kg To convert 110 volts to 220 volts: ----Make sure the appliance to be plugged in uses fewer watts than the transformer's rating. ----Insert the voltage tap plug (located on the rear of.