EcoFlow DELTA Pro 3 – 4,000Wh LiFePO4, 4,000W AC, Whole-Home Backup Ready

Generac PWRcell 9kWh – Modular Home Battery, Solar Integration, Whole-Home Backup

The Generac PWRcell is the most modular residential energy storage system available, built by America’s leading backup power company. With 9kWh of base storage expandable to 18kWh, deep solar integration, and Generac’s proven reliability from 70 years in the backup power industry, the PWRcell is the choice of homeowners who want whole-home energy independence from a trusted American brand.

• 9kWh Modular LiFePO4 Storage: Base 9kWh capacity expandable to 18kWh by adding battery modules — scales with your solar production and energy independence goals
• Solar Integration: Integrates natively with Generac’s PWRgenerator solar inverter; stores excess solar production for evening and nighttime use automatically
• Whole-Home Backup: Powers entire home critical loads including HVAC, refrigerator, well pump, and EV charging during extended grid outages
• Smart Management System (SMS): Generac’s SMS monitors battery health, solar production, grid status, and optimizes energy flow for cost and backup prioritization
• Grid-Agnostic Design: Works in grid-tied, grid-independent, and grid-tied-with-backup modes; transitions automatically between modes based on grid status
• PWRview Energy Monitor: Generac’s comprehensive energy monitoring shows real-time production, storage, consumption, and historical energy data via the PWRview app
• 10-Year Warranty: Generac’s 10-year capacity warranty guarantees the battery retains at least 70% capacity for 10 years — standard best-in-class warranty for home energy storage