Mobile Credit Card Machine

We need to get a generator to be silent on promotional visits. We need to operate a machine credit card, cell phone charger, the display (a lamp) and possibly a lamp

payment terminals are not very useful if they are connected to the network of the bank.

But look at the power requirements of each element, summing and get a generator this size or larger.

.

A unit of 1500W would work, but it would be on the side minimum. 2500 to 5000 W would be nice and provide additional capacity.