Hi there, Airstream owners. Today, we're gonna be taking a look at and showing you how to install Power Sonic's Replacement Lithium Batteries. Now, we just got done installing these on our 2017 Airstream Flying Cloud. There are 12-volt batteries. We've got them hooked up in parallel. And these will work on pretty much any trailer and camper and RV out there as long as you need 12-volt batteries.… see more >