BigBattery 12V 2X HUSKY 2 Lithium Battery KIT – 10.24kWh of All-Terrain, All-Season Power
Looking to supercharge your 12V power system? The 12V 10.24kWh HUSKY 2 LiFePO₄ Kit from BigBattery delivers industrial-strength energy in a compact, plug-and-play package—perfect for RVs, camper vans, marine systems, and off-grid backup setups.
Each HUSKY 2 battery packs 5.12kWh of ultra-reliable power, and this dual-pack kit gives you a whopping 10.24kWh of capacity—more than enough to keep you powered through extended road trips, ocean crossings, or remote living scenarios.
Equipped with Tier 1 LFP cells, a self-heating function, and a high-performance BMS, the HUSKY 2 is engineered for year-round performance—rain, snow, or sun. Plus, with IP65-rated casing, auto cell balancing, and full CANBus + RS485 communications, this kit combines power with total peace of mind and real-time system visibility.
Installation is effortless, maintenance is zero, and performance is unmatched. Whether you're replacing lead-acid batteries in your RV or upgrading your marine power bank, the 12V HUSKY 2 Kit is ready to go wherever your adventure takes you.
Key Features:
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Massive 10.24kWh Total Capacity – Dual 5.12kWh units for extended energy storage
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Inverter-Ready INV Variation – Includes CANBus & RS485 communication protocols
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Tier 1 LiFePO₄ Cells – Long-lasting, stable, and safe lithium chemistry
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IP65-Rated Housing – Resistant to water, dust, and harsh conditions
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Self-Heating System – Enables safe cold-weather charging
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Advanced BMS – Automatic cell balancing, thermal and voltage protections
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Easy Plug-and-Play Installation – No maintenance, quick wiring
Ideal For:
- Lead-Acid Battery Replacement
- Class A, B, & C RVs
- Camper Vans & Tow-Behind Trailers
- Boats, Yachts, and Marine Systems
- Food Trucks & Commercial Vehicles
- Emergency Power & Off-Grid Backup
- Light Towers, Digital Signs & Mobile Installations
What’s Included:
- 2 × 12V HUSKY 2 INV – 5.12kWh LiFePO₄ Batteries (FHSKY-12051-G2-INV)
- 1 × 4AWG (Black and Red) 21" Ring-to-Ring Terminal Cable (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 |
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
