Fortress Power eBoost Energy Storage System | 16kWh Per Unit | Scalable to 256kWh | IP65 Outdoor Rated
Boost Performance. Boost Reliability. Total Home Energy Control.
From whole-home backup to light commercial systems, the Fortress Power eBoost delivers high-capacity, modular energy storage that scales with your needs. Each unit provides 16kWh of reliable, LiFePO₄ power—and with support for up to 16 units in parallel, the eBoost system can grow to a massive 256kWh of usable energy. Engineered for durability, flexibility, and seamless integration, eBoost is the backbone of your next-level energy storage solution.
Paired with the Envy Duo 21 inverter, the eBoost transforms into a powerful, all-in-one system—ideal for homeowners, small businesses, and installers who demand performance without compromise.
Key Features:
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High-Capacity Storage Per Module: Each eBoost unit delivers 16kWh of usable energy, making it ideal for homes with high energy usage, EV charging, or commercial buildings with large electrical loads.
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Scalable to 256kWh: Need more capacity? No problem. Connect up to 16 units in parallel for a massive 256kWh of total storage—enough to support large residential estates, retail shops, or small commercial facilities.
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Clean, Fast, and Professional Installation: The integrated eWay™ Wireway System features built-in busbars, conduit ports, LED indicators, and an emergency shutoff, allowing for code-compliant installations with reduced wiring, faster deployment, and a clean, modular appearance.
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Rugged, All-Weather Design: Built to withstand harsh environments, the eBoost is IP65-rated and equipped with internal heating elements for year-round reliability—even in freezing or humid conditions. Install it indoors or outdoors with total confidence.
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Seamless Inverter Integration: Pair with the Fortress Power Envy Duo 21 inverter for a fully integrated energy management system—ideal for whole-home backup, solar self-consumption, or grid-tied setups.
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Modular Design for Quick Deployment: Stackable architecture with fast-connect hardware means fewer tools, less labor, and faster commissioning—perfect for installers and growing systems alike.
Applications:
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Residential energy storage
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Whole-home backup
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Light commercial facilities
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Small retail shops
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EV-ready homes
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Solar + storage systems
What’s Included:
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1 × Fortress Power eBoost 16kWh Battery Module
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1 × Mounting/Connection Hardware
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1 × User Manual
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1 × Warranty Registration Card
Supports up to 16 units (256kWh total) when installed in parallel.
Specifications
|
16kWh |
2kWh
|
Weight |
353 lbs (160 kg) |
706 lbs (320 kg) |
Operating Temperature |
-4 ºF – 140 ºF (-20 ºC – 60 ºC)* |
Ingress Protect |
Degree IP65 |
Communication |
PCS CAN/RS485; Parallel:CAN |
Dimensions (W*D*H) |
eWay : 22.84×10.18×9.39 in (580×258.6×238.5 mm) | Battery: 22.28×10.18×33.71 in (566×258.6×856 mm) |
Warranty |
10 years |
Mounting Options |
Ground-Mount, Floor Standing, Wall-Hanged (Separate Accessory) |
Battery Specifications |
Maximum Units In Parallel |
16 |
8 |
Cell Type |
Tier-1 Prismatic 16 Cell LFP |
Nominal Capacity |
314Ah |
2 x 314Ah |
Nominal Energy |
16.1kWh** |
32.2kWh** |
Nominal Voltage |
51.2V |
Re-charge Voltage |
49V |
Cut-off Voltage |
41.6V |
Maximum Short-Circuit (A) |
Under Testing |
Operating Voltage Range |
41.6-57.6V |
Closed-Loop Charge/Discharge |
180/250 A |
360/500 A |
Bulk/Absorption Charge |
55.2V |
Max Charge/Discharge |
314A/10s |
628A/10s |
Surge Discharge Power W |
18kW/10s |
36kW/10s |
Cycle Life @ EOL 70% |
8000 Cycles |
Standards & Certifications |
Safety Standards |
UL1973, ANSI/CAN/UL9540:2023, UL9640A (expected Q3 2025) |
Listings |
CEC, LUMA, oGPE |
Transportation |
UN38.3 |
* Performance will degrade at operating temperatures above 104 ºF (40 ºC)
** Values are based on measurements taken at 77 ºF (25 ºC) at beginning of life.
Shopping Guide
Why Shop With Us
Why Shop With Ecogrid Supply?
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Authorized & Trusted Dealer: We’re fully authorized for every brand we carry, so you get genuine products with full manufacturer warranties.
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Fast, Reliable Shipping: All items ship from our U.S. warehouses with quick and dependable freight options to keep your project on track.
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30-Day Hassle-Free Returns: Change your mind? No worries — enjoy a simple 30-day return process for peace of mind.
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Real Human Support, 7 Days a Week: Reach us by phone, email, or live chat — no bots, no overseas call centers, just real people who know off-grid power systems.
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Expert Energy Guidance: Our solar and backup energy specialists are ready to help you with design, planning, product questions, and installation tips.
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USA-Based Service: Our team proudly operates here in the United States, providing local, knowledgeable, and friendly support.
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Secure Payments: Shop confidently with our encrypted, secure checkout to protect your personal and payment information.
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Built for Energy Independence: Whether you’re powering a cabin, prepping for emergencies, or going off-grid, our products are selected for performance, reliability, and sustainable operation.