BigBattery 48V 15.36kWh 3X HUSKY 2 Lithium Battery KIT – EG4 6K Off-Grid Inverter
Power through anything with the BigBattery 48V 3X HUSKY 2 Kit, delivering a massive 15.36kWh of premium LiFePO₄ storage and paired with the powerful EG4 6kW Off-Grid Inverter. This system is engineered for serious off-grid living, reliable emergency backup, and rugged mobile power solutions in RVs, vans, and more.
The HUSKY 2 is BigBattery’s most energy-dense 48V solution, built with top-grade LFP cells and robust engineering to withstand extreme conditions. Whether you’re off-grid in the wild or securing power during an outage, these batteries provide peace of mind, long life cycles, and high-performance output.
Each unit comes equipped with a high-tech BMS offering over/under voltage protection, over-current protection, and thermal regulation, plus self-heating capability for safe cold-weather charging. Encased in a vibration-resistant, IP65-rated enclosure, the HUSKY 2 is made for harsh environments and zero-maintenance operation.
This kit includes the EG4 6000W Split-Phase Inverter, a cutting-edge off-grid solution featuring a high-contrast LCD touchscreen, integrated UPS module, smart load control, and dual MPPTs capable of handling up to 8000W of solar input. It’s also parallelable up to 96kW, making future expansion easy and seamless.
Key Features:
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Battery Capacity: 15.36kWh (3 × 5.12kWh HUSKY 2 Modules)
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System Voltage: 48V
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Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)
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Inverter: 6000W Split-Phase Off-Grid Inverter with Dual MPPT & 8000W PV Input
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BMS: Advanced protection with cell balancing, thermal management, and more
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Cold Weather Ready: Built-in self-heating for sub-zero charging
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Enclosure: IP65-rated, vibration-resistant, no routine maintenance required
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Monitoring: Real-time insights via inverter LCD display + RS485/CANBus support
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Expandability: Inverter can be paralleled up to 96kW
Perfect For:
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Off-Grid Cabins & Homesteads
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RVs, Vans, and Mobile Living
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Commercial Vehicle Power Systems
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Emergency Backup Systems
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Food Trucks & Remote Workstations
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Lead Acid Battery Replacement
What’s Included:
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3 × 48V HUSKY 2 INV Battery Modules – FHSKY-48051-G2-INV
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1 × EG4 6kW (8000W PV Input) Off-Grid Inverter – INV026
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2 × Parallel Communication Cables – CBL099
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2 × 4AWG (Black & Red) 21” Ring-to-Ring Terminal Cables – CBL092
Specifications
Single Battery Tech Specifications
| SKU: |
FHSKY-48051-G2 |
| System Voltage: |
48V |
| Nominal Voltage: |
51.2V |
| Chemistry: |
LiFePO4 |
| kWh Capacity: |
5.12kWh |
| Ah Capacity: |
100Ah |
| Charging Voltage Range: |
55.6 – 57V |
| Max Charge Voltage: |
58.8V |
| Operating Voltage Range: |
48 – 57V |
| Suggested Low Voltage Cutoff: |
48 – 50.8V |
| BMS Cutoff Range: |
42 – 47V |
| Cell Configuration: |
16S |
| Max Continuous Discharge Current: |
150A |
| Recommended Continuous Discharge Current: |
100A |
| Max Continuous Power: |
7500W |
| Recommended Continuous Power: |
4000W |
| Max Discharge Peak Current: |
225A (Max 5 seconds) |
| Max Charge Current: |
100A |
| Charge Temperature Range: |
-4°F – 113°F (-20°C – 45°C) |
| Discharge Temperature Range: |
-4°F – 122°F (-20°C – 50°C) |
| Optimal Discharge Temperature Range: |
59°F – 95°F (15°C – 35°C) |
| Storage Temperature Range: |
-4°F – 122°F (-20°C – 50°C) (Max 6 months) |
| Weight: |
100 lb (45.4 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 (Parallel only) |
| Self-Heating: |
Yes |
| Spec Sheet: |
Spec Sheet |
| User Manual: |
User Manual |
| Safety Data Sheet: |
Safety Data Sheet |
| CE Certificate: |
CE Certificate |
| UN38.3 Certificate: |
UN38.3 Certificate |
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
