Inverters are common for camper conversions but they are not necessary for every build. If you can get away with powering everything straight from a DC battery, then skip the inefficiency and save some money. For those trying to cook with and induction burner or run a high powered. There are only two things you will be deciding on when looking at inverters: Size and Type There are two main types of inverters- MSW and PSW. Alternating current travels in waves that “alternate” from (+) to (-). This is different from how direct current power. Here's where we see people go astray. There are limits on sizing an inverter. It's no surprise that you don't want it to be too small because then you won't get enough power. But there are.