Description
Experience reliable, high-capacity energy storage with the 16 kWh Fortress Power eBoost Lithium LFP Battery, engineered for residential, off-grid, and whole-home backup applications. With 16 kWh / 314 Ah of usable storage and safe, long-lasting LiFePO₄ 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.
Easy to integrate with Fortress Power inverters, including Envy series models, 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 can be paired with either the eWay or eWay Lite. eWay AC/DC wire-management components and wheels are not included and are sold separately.
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
- eWay wire system makes it ready for code-compliant AC/DC wiring (sold separately)
Videos
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Reliable Power, Made Simple | The Fortress Power eBoost Energy Storage System
The eBoost Scalable Energy Storage System is a 16 kWh high-cap...
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Fortress Power eBoost | Scalable 16kWh Battery Features & Benefits
Take a closer look at the Fortress Power eBoost, a 16kWh stack...
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UPDATED: eBoost Installation & Commissioning (Includes Additional Battery-Paralleling Steps)
Watch the Fortress Power eBoost installation and commissioning...
Parts / Specifications
Manufacturer: |
Fortress Power |
MODEL: |
eBoost |
Battery chemistry: |
Lithium Iron Phosphate (LiFePO₄) |
Cell Type: |
Tier-1 Prismatic 16 Cell LFP |
Nominal Capacity: |
314 Ah |
Nominal Energy: |
16.1 kWh |
Nominal Voltage: |
51.2 V |
Re-charge Voltage: |
49 V |
Cut-off Voltage: |
41.6 V |
Maximum Short-Circuit (A): |
Under Testing |
Closed-Loop Charge/Discharge: |
180/250 A |
Bulk/Absorption Charge: |
55.2 V |
Max Charge/Discharge: |
314A/10s |
Surge Discharge Power W: |
18kW/10s |
Cycle Life @ EOL 70%: |
8000 Cycles |
Weight: |
353 lbs (160 kg) |
Ingress Protect: |
Degree IP65 |
Communication: |
PCS CAN/RS485; Parallel:CAN |
Dimensions (W*D*H): |
22.28x10.18x33.71 in (566x258.6x856 mm) |
Warranty: |
10 years (up to 15 years with Fortress Power inverter and platform) |
Mounting Options: |
Ground-Mount, Floor Standing, Wall-Hanged (Separate Accessory) |
Safety Standards: |
UL1973, ANSI/CAN/UL9540:2023, UL9640A (expected Q3 2025) |
Listings: |
CEC, LUMA, oGPE |
Transportation: |
UN38.3 |
Installation Instructions
DOWNLOADS
Fortress Power eBoost DATASHEET
Fortress Power eBoost Installation Manual