






Fortress Power 16kW LFP Battery eBoost 16 kwh
Fortress Power 16kW LFP Battery eBoost 16 kwh
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Fortress Power 16kW LFP Battery eBoost 16 kwh
eBoost 16 kwh
Fortress Power 16KW LFP Battery eBoost 16 kwh
The Fortress Power eBoost 16 kWh is a high-capacity, weatherproof LFP battery module for residential and light-commercial ESS. It delivers 16 kWh usable energy per unit, scales to large systems with parallel stacking, and integrates cleanly with the Fortress Envy series via the eWay wireway (built-in 750 A busbar). Internal heating, IP65 construction, and lockable wheels make the eBoost ready for harsh climates and fast installs.
Key Benefits
Large Usable Capacity: 16 kWh per cabinet for high-load homes or space-constrained installs.
Scalable Architecture: Parallel up to 16 units; 32 kWh variant available for bigger builds (up to 512 kWh per site).
All-Weather Ready: IP65 enclosure with internal heating elements for reliable cold-climate performance.
Clean BOS Integration: eWay wireway with built-in 750 A busbar, conduit ports, and LED indicators streamlines wiring.
Service & Safety: Lockable wheels for positioning and an integrated emergency shutoff for safe maintenance.
Special Technology
Tier-1 LFP Pack: Prismatic 16-cell LFP chemistry with long cycle life and robust thermal stability.
Closed-Loop Control: CAN/RS485 communications enable coordinated charge/discharge with Envy inverters.
High Surge Output: Up to 18 kW discharge for 10 seconds to start demanding loads.
Warranty
10-Year Manufacturer Warranty (up to 15 years when paired with Fortress inverter/platform).
Best Uses
Whole-Home Backup & TOU Shifting: Seamless PV + storage operation with Envy Duo 21 or Envy 8/10/12 kW.
Scalable Microgrids: Stack multiple cabinets for large residences, small businesses, or estates.
Specifications Table
Specification | Data |
---|---|
Model | eBoost 16 kWh |
Product Type | Modular Energy Storage (LFP) |
Usable Energy (Nominal) | 16.076 kWh |
Nominal Voltage | 51.2 Vdc |
Nominal Capacity | 314 Ah |
Operating Voltage Range | 41.6 – 57.6 Vdc |
Bulk / Absorption Charge | 55.2 Vdc |
Recharge / Cut-off Voltage | 49.0 Vdc / 41.6 Vdc |
Closed-Loop Charge / Discharge | 180 A / 250 A |
Max Charge / Discharge (10 s) | 314 A / 314 A |
Surge Discharge Power (10 s) | 18 kW |
Cycle Life @ 70% EOL | 8,000 cycles |
Max Units in Parallel | 16 |
Ingress Rating | IP65 |
Operating Temperature | −4 °F to 140 °F (−20 °C to 60 °C) |
Communications | CAN / RS485 (PCS); Parallel via CAN |
Dimensions (Battery, W × D × H) | 20.47 × 10.18 × 33.10 in |
Dimensions (eWay, W × D × H) | 20.47 × 10.18 × 8.32 in |
Weight | 353 lb |
Mounting Options | Ground-mount / Floor-standing / Wall-hung (accessory) |
Standards & Certifications | UL1973; ANSI/CAN/UL9540:2023; UL9540A (expected); UN38.3; Listings: CEC, LUMA, oGPE |
Warranty | 10 Years (up to 15 Years with Fortress platform) |