When it comes to traveling in Airstream’s Atlas and Interstate touring coaches, power isn’t just about keeping the lights on—it’s about enabling comfort, convenience, and independence wherever the road takes you. Whether you're planning weekend getaways, extended off-grid adventures, or full-time travel, choosing the right electrical system is key to matching your lifestyle and travel goals.
When shopping Airstream touring coaches from Model Years 2023-2026, you’ll find several power configurations available across the Atlas and Interstate Lineup.
Lithium Battery Power Solutions for Airstream's Interstate and Atlas Vans Include:
- The standard Advanced Power System delivers robust off-grid capability with lithium battery technology and diesel integration.
- The optional E1 Package offers an enhanced off-grid experience for travelers who want a propane-free setup and advanced energy management.
- The optional Advanced Power Plus upgrade adds more battery capacity to the Advanced Power System for longer stays and greater flexibility.
Each system offers unique benefits depending on how you travel, how long you stay off-grid, and how much power you need for appliances and climate control. Below, we break down the features and advantages of each option to help you choose the best fit for your journey.

Advanced Power System (Standard)
Powerful versatility in a factory-standard (and standard-setting) electrical system
Ideal for spontaneous weekend escapes or short off-grid trips, the standard Advanced Power System available from the factory in all Model Year 2026 Airstream Interstate and Atlas vans offers everything you need to stay comfortable and connected without relying on plugging into shore power. Whether you're parked at a scenic overlook, relaxing between tournament games, or tucked into a quiet forest clearing, this system keeps your essentials running smoothly.
Advanced Power System Features:
- 10.3kWh lithium battery capacity w/built-in heaters
- 3,000W inverter for simultaneous use of multiple appliances
- 1,000W single-burner induction cooktop (no propane required)
- Combined heating and hot water system powered by electricity or the diesel fuel in your tank
- Charge controller for solar monitoring
- Marine-grade alternator with regulator for high-output charging via an app

The Advanced Power System that comes standard on all Model Year 2026 Interstate and Atlas vans allows you to cook, stream movies, and stay warm without compromise. It’s perfect for travelers who want reliable off-grid performance with the flexibility to move freely.
Airstream's E1 Package (Optional Upgrade)
An optional upgrade for Model Year 2023-2025 Interstate and Atlas units, as well as the 2026 Interstate 19X LE Outland Edition
Designed for those who value efficiency, sustainability, and a streamlined travel experience, the E1 Package delivers powerful electrical versatility with no propane required. It’s a quiet, clean, and modern setup that integrates high-capacity lithium batteries with smart energy management tools.

Available in Model Year 2023-2025 Airstream Interstate and Atlas models (as well as Model Year 2026 Interstate 19X LE Outland Limited Edition vans), the E1 Package is well-suited for urban explorers, tech-savvy travelers, and anyone seeking a low-maintenance, eco-conscious power system.

Improving a Powerful, Reliable E1 Package Electrical System
Recently, Airstream developed a simple upgrade to the E1 Package’s software and hardware that improves system performance and reliability. As a show of commitment to this system upgrade, after completion of this important service update the E1 Volta Power System warranty is being extended from 3 years to 5 years. This warranty extension is from the original owner's purchase date and is transferable to new/secondary owners in the case that the unit has been resold.
If you're unsure whether your unit has received this update, contact Airstream Customer Service at (877) 596-6505 or [email protected]. The E1 Package update typically takes 2–3 weeks and can be scheduled through your authorized Airstream dealer.
Advanced Power Plus (Optional Upgrade)
Unparalleled performance for 2026 Interstate and Atlas models
For those who want a van with one of the most powerful electrical systems available today, upgrading to the optional Advanced Power Plus system means indulging in everything from short jaunts across town to extended stays in remote locations. The Advanced Power Plus upgrade offers significantly more energy storage and flexibility for travelers who want the ultimate in power independence. With additional lithium battery capacity totaling 17.2 kWh (compared to the standard Advance Power System at 10.3 kWh), you have the freedom to stay off-grid longer and power high-demand appliances with ease.

Available as a factory option on Atlas and Interstate 24GT and 24GL models, and from an authorized Airstream dealer for Interstate 19GT and Interstate 19X vans, this upgrade is ideal for travelers who rely heavily on electric systems and want to maximize their time away from hookups.
Optional Advanced Power Plus Features:
- Extended off-grid stays with more power storage
- Greater flexibility with appliances like A/C, microwave, and entertainment systems
- Confidence in remote locations with reliable energy reserves
Comparing Airstream Power Packages in Touring Coach Vans

Choosing the Right System
Whether you’re planning short weekend trips, venturing deep into nature for extended stays, or seeking a modern, multi-source power system, Airstream’s electrical options are designed to support your lifestyle—wherever the road leads. Visit your local Airstream dealer to explore standard and optional configurations and find the system that best fits your travel needs.
Ready to begin your Airstream journey and dive into the freedom and life-changing experiences that come with Airstreaming? Find your local authorized Airstream dealer and discover what makes Airstream touring coaches the best travel experience on the market.