The latter is still one of the most off-grid-capable mainstream travel trailers in recent memory, with a 3,000-watt inverter, ...

Called the Airstream Basecamp 20Xe, the trailer includes a 10.3-kwh battery pack and 3,000-watt inverter powering a 30-amp electrical system, providing onboard power for charging devices from ...

and a 3000-watt inverter. Airstream doesn't say how long the battery will last because that's determined by how much you use things like the optional microwave and air conditioner. And how loud ...

The inverter design also allows engine speed to ... will run everything but an A/C unit," says Stewart. "Consider a ...