How Much Electricity Induction Consume. This question is off-topic. Multiply the number of kilowatts your cooktop uses in this case 18 by the number of hours you plan on using it.

The Centre for Sustainable Energy. Assuming 20 maximum discharge current you arrive at a battery capacity of 500Ah and that is the minimum to take with you. Supposedly your induction uses a maximum power of 2000 watts 2 kilowatts.
This means that if you use the induction stove for one hour it will use 15 kilowatt-hours - 21 kilowatt-hours.
This also means most of your electric consumption comes from the appliances you use for cooking and food prep. More significantly induction is 90 efficient with its power use using 2. Click to see full answer. The Centre for Sustainable Energy estimates that average electricity usage of an electric oven is between 2-22kWh while a microwave uses between 06-15kWh.

