BigBattery 12V 2X HUSKY 2 Lithium Battery KIT – AIMS | 10.24kWh Dual-Battery Off-Grid Power System
The 12V 2X HUSKY 2 Lithium Battery Kit – AIMS Edition is a powerful, high-capacity energy solution designed for RVs, boats, trailers, tiny homes, and mobile setups demanding more runtime and reliability. Delivering 10.24kWh of ultra-efficient LiFePO₄ power, this dual-battery system brings unmatched energy density and next-gen inverter support to your off-grid or backup power needs.
At the core of this kit are two 12V HUSKY 2 batteries, BigBattery’s most energy-dense 12V solution yet. Each battery is built with Tier 1 LFP cells, encased in a rugged IP65-rated enclosure to protect against water, dust, and vibration. Featuring an advanced smart BMS, these batteries deliver intelligent protections, automatic cell balancing, and cold-weather performance with a self-heating function—ensuring safe, efficient energy through every season.
Paired with a 2000W AIMS Power Inverter-Charger, this kit becomes a complete mobile power system. The AIMS inverter includes a 300% surge capability, automatic frequency detection, power factor correction, and multi-stage charging, with a built-in AC transfer switch for seamless switching between grid, solar, and battery power. Its low-frequency transformer minimizes harmonic distortion, delivering cleaner, more reliable energy to your appliances and devices.
Whether you're exploring the great outdoors or powering essential systems on the go, this dual HUSKY 2 kit gives you peace of mind with maximum performance, low maintenance, and complete power control.
Key Features:
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10.24kWh LiFePO₄ Capacity – Massive energy storage for extended runtime
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Self-Heating Function – Supports cold-weather charging
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Advanced Smart BMS – Full protections + RS485 & CANBus communication
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IP65-Rated Enclosure – Waterproof, dustproof, and vibration-resistant
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AIMS 2000W Inverter/Charger – Integrated transfer switch, 300% surge capacity
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Low-Frequency Transformer – Cleaner power with reduced noise and distortion
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Parallel Comm Support – Efficient two-battery integration
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Zero Maintenance – Ready-to-run out of the box
Perfect For:
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Class A, B, & C RVs
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Camper Vans & Trailers
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Boats & Yachts
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Marine and Off-Grid Systems
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Commercial Vehicles & Food Trucks
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Emergency Backup & Disaster Preparedness
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Mobile Workshops & Light Towers
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Lead-Acid Battery Replacement
What's Included:
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2 × 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 integrated transfer switch (Model: INV004)
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1 × Parallel Comm Cable (CBL099)
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1 × 4AWG Ring-to-Ring Terminal Cable (Black & Red, 21") (CBL092)
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