If you’re thinking maybe cutting the cord straightening becomes a lot more easier you’re right! But how does a cordless hair straightener actually work in terms of effectiveness and time efficiency let’s have a look at our 5 favorite cordless hair straighteners. Cornair Cordless Flat Iron (No charging required) A portable hair straightener without a battery pack. The Cornair is a travel-friendly iron. It is small, compact and very portable. It is affordable too. Unlike other cordless flat irons with internal battery, which enables you to recharge them, the Conair comes with thermacell butane gas cartridge that will power the heating. This cartridge you can be refilled when they run out of gas. Depending on how often you use the tool, the gas can last up to several months. You should order a spare of Conair Thermacell, which is sold separately. The Cornair cordless flat iron is comfortable to hold and easy to style. One thing to keep in mind is that if you are traveling on flights, you are allowed to bring just ONE butan iron …