Upgrade your EcoFlow Wave 3 with extended off-grid runtime and flexible power options. The Wave 3 Add-On Battery features a long-lasting 1024Wh LFP capacity, giving you more cooling and heating time wherever you need it—camping, cabins, RVs, emergency backup, or off-grid stays.

Designed to integrate seamlessly with the Wave 3, this detachable module can be used attached as a compact all-in-one setup or placed separately for convenient positioning. Built with ultra-durable LiFePO₄ cells rated for 4,000+ cycles, it’s engineered for long-term reliability, safe performance, and years of use. Lightweight and easy to carry, the Wave 3 Add-On Battery gives you complete flexibility for portable comfort.