Expand your DELTA Pro Ultra’s capacity with an additional 6 kWh for longer home backup or off-grid power. Designed for efficiency, scalability, and easy setup, it ensures reliable energy when you need it most.
Key Features:
Expandable Capacity – Adds 6 kWh, scalable up to 90 kWh for extended backup
Long-Term Backup – Supports up to two days with 6 kWh, up to one month with full expansion
Space-Saving Design – Stackable system for neat, organized installation
