EcoFlow DELTA Pro Ultra Battery

Expandable capacity - Increase the capacity of DELTA Pro Ultra with an extra 6kWh. *If you've purchased three or more battery packs, please contact our customer service team to claim your EcoFlow Fixing Metal Tab, which is necessary for securely stacking your battery packs. Highlights: -One-Month Backup: 6kWh for up to two-day backup, scalable to 90kWh for one-month coverage -Space-Saving: Stack up the system in a neat, mess-free way -One-Minute Setup:?With a plug-and-play design Specifications: Dimensions: 26×18×8 in (including mat)