BigBattery 12V 3X HUSKY 2 Lithium Battery KIT – AIMS | 15.36kWh Heavy-Duty Off-Grid Power System
Take your power system to the next level with the 12V 3X HUSKY 2 Lithium Battery Kit – AIMS Edition, delivering an impressive 15.36kWh of ultra-reliable, high-capacity LiFePO₄ energy. Whether you're powering an RV, trailer, boat, mobile business, or off-grid home, this triple-battery system is designed to meet the most demanding energy needs with superior performance and all-season readiness.
At the heart of this kit are three 12V HUSKY 2 batteries, BigBattery’s most energy-dense 12V solution to date. Built using Tier 1 LFP cells, each battery is encased in an IP65-rated, vibration-resistant housing and equipped with an advanced BMS for auto-balancing, CANBus & RS485 communications, and full-spectrum protections against over/under voltage, overcurrent, and temperature extremes. Plus, the integrated self-heating function ensures optimal performance even in frigid conditions.
To bring it all together, we’ve paired the HUSKY 2s with a rugged and intelligent 2000W AIMS Power Pure Sine Inverter-Charger. Featuring 300% surge capacity, power factor correction, a low-frequency transformer, and a built-in AC transfer switch, the AIMS inverter enables seamless transitions between grid, battery, and solar input. It’s also equipped for multi-stage charging, automatic frequency detection, and provides cleaner power output with lower distortion—perfect for sensitive electronics and high-demand loads.
With this comprehensive setup, you’ll enjoy efficient, low-maintenance, plug-and-play power that’s engineered for both reliability and flexibility. Whether on the road, on the water, or off the grid, you’ll be ready for anything.
Key Features:
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15.36kWh LiFePO₄ Capacity – Massive energy storage for extended autonomy
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Self-Heating Function – Cold-weather charging for all-season use
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Smart BMS – Full protections with CANBus & RS485 communication
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IP65 Enclosure – Water, dust, and vibration resistant
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AIMS 2000W Inverter-Charger – 300% surge capacity + integrated AC transfer switch
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Low-Frequency Transformer – Clean, efficient, and quiet power output
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Parallel Comm Integration – Stable and scalable multi-battery configuration
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Zero Maintenance – Simple installation, long lifespan
Perfect For:
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Class A, B, & C RVs
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Camper Vans & Travel Trailers
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Boats, Yachts & Marine Systems
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Off-Grid Cabins & Mobile Businesses
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Food Trucks & Emergency Backup
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Light Towers & Construction Signage
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Lead-Acid Battery Bank Replacements
What's Included:
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3 × 12V HUSKY 2 INV Batteries – 5.12kWh each (Model: FHSKY-12051-G2-INV)
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1 × AIMS 2000W Pure Sine Inverter/Charger – With Transfer Switch (Model: INV004)
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2 × 4AWG (Black & Red) 21” Ring-to-Ring Terminal Cables (CBL092)
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2 × Parallel Communication Cables (CBL099)
Specifications
Product Specifications
| SKU: |
FHSKY-12051-G2 |
| System Voltage: |
12V |
| Nominal Voltage: |
12.8V |
| Chemistry: |
LiFePO4 |
| kWh Capacity: |
5.12kWh |
| Ah Capacity: |
400Ah |
| Charging Voltage Range: |
13.9V – 14V |
| Max Charge Voltage: |
14.4V |
| Operating Voltage Range: |
12V – 14.4V |
| Suggested Low Voltage Cutoff: |
12V – 12.7V |
| BMS Cutoff Range: |
10.5V – 11.75V |
| Cell Configuration: |
4S |
| Max Continuous Discharge Current: |
300A |
| Max Continuous Power: |
5120W |
| Max Discharge Peak Current: |
350A (Max 5 seconds) |
| Max Charge Current: |
200A |
| Charge Temperature Range: |
-4°F – 113°F (-20°C – 45°C) |
| Discharge Temperature Range: |
-4°F – 131°F (-20°C – 55°C) |
| Optimal Discharge Temperature Range: |
59°F – 95°F (15°C – 35°C) |
| Storage Temperature Range: |
-4°F – 113°F (-20°C – 45°C) (Max 6 months) |
| Weight: |
95 lb (43.1 kg) |
| Depth: |
12.6 in (320 mm) |
| Width: |
18.1 in (460 mm) |
| Height: |
9.8 in (249 mm) |
| Max Connections: |
Up to (16) Parallel |
| Protection Rating: |
IP65 / NEMA 4X |
| Communications: |
CANBus / RS485 |
| Self-Heating: |
Yes |
| Spec Sheet Download: |
Spec Sheet |
| User Manual Download: |
User Manual |
| Safety Data Sheet Download: |
Safety Data Sheet |
| Inverter User Manual Download: |
Inverter User Manual |
Why Buy From Us
Why Buy From 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.
Buying Guide
