16 kWh Fortress Power eBoost Lithium LFP Battery

Reliable, affordable, high-capacity solar energy storage with the 16 kWh Fortress Power eBoost Lithium LFP Battery. Engineered for residential, off-grid home backup or daily time-of-use power on demand. With 16 kWh 314 Ah of usable storage and safe, long-lasting LiFePO chemistry, the eBoost delivers dependable power for demanding load profiles. Its modular design allows expansion up to 256 kWh by paralleling additional (up to 16) units as your energy needs grow.

The eBoost includes a built-in Battery Management System (BMS) that continually monitors and protects the battery for optimal safety, performance, and longevity. Housed in a rugged IP65 enclosure and equipped with integrated heating to support cold-weather operation, this battery is built for all-weather installations both indoors and outdoors.

Compatible with Fortress Power and other 48V battery inverters (Sol-Ark, EG4), the eBoost supports an efficient system design. When paired with the Fortress Power Envy Duo 21 inverter, the eBoost forms a fully integrated, whole-home energy storage system making it ideal for backup power and energy independence. The eBoost battery is backed by a 10-year warranty, offering long-term peace of mind. UL, CEC Certified.

Note: The eBoost 16kWh battery requires either the eWay or eWay Lite box (sold separately) for wire-management and code compliance.

FEATURES

• 16 kWh / 314 Ah LiFePO₄ capacity for safe, long-lasting whole-home or backup power
• Built-in smart BMS for advanced cell protection, monitoring, and optimized performance
• IP65 weatherproof enclosure with integrated heating for reliable cold-climate operation
• Scalable design—parallel up to 16 units for systems up to 256 kWh
• Requires eWay or eWay Lite wire management box for easy code-compliant AC/DC wiring (sold separately)