Big Battery | 48V 4X HUSKY 2 KIT – EG4 6K Off-Grid Inverter
NEXT-GEN POWER STORAGE HAS ARRIVED! The 48V 4X HUSKY 2 KIT – EG4 6K Off-Grid Inverter from BigBattery delivers exceptional energy storage and output for off-grid living, mobile power setups, and emergency backup systems.
Massive Capacity. Maximum Reliability.
With a total capacity of 20.48kWh, this HUSKY 2 Kit is BigBattery’s most energy-dense 48V system, perfect for keeping your RV, camper van, or home powered through outages or off-grid adventures. Built with Tier 1 LiFePO4 cells, the HUSKY 2 ensures long-lasting performance across a wide temperature range, supported by comprehensive BMS protections against Over/Under Voltage and Over Current. A robust thermal management system and self-heating functionality keep your batteries running even in extreme cold.
Built-In Safety and Real-Time Monitoring
Each battery is enclosed in an IP65-rated, vibration-resistant housing for maximum durability. The system includes advanced cell balancing, CANBus & RS485 communication, and external capacity meters for real-time insights into your energy system.
Dual EG4 6000W Inverters Included
This kit comes with two 6000W EG4 split-phase inverters, each featuring its own touchscreen LCD display, integrated UPS module, and built-in circuit breakers. These inverters support parallel expansion up to 96kW, accept up to 8000W of PV input each, and offer smart load control, AC coupling, and multiple working modes, giving you unmatched flexibility and control.
Ready for Any Challenge
Whether you're building an off-grid homestead or upgrading your backup power capabilities, the 48V 4X HUSKY 2 KIT – EG4 6K Off-Grid Inverter is a complete, scalable solution designed for year-round use. Shop today and power your future with BigBattery.
What's Included
4 × 48V HUSKY 2 - LiFePO4 - 100Ah - 5.12kWh
2 × EG4 6kW (8kPV) OFF-GRID INVERTER
3 × Parallel Comm Cable
3 × 4AWG (Black and Red) 21 inches Ring to Ring Terminal Cable
1 × 2AWG (Black and Red) 3FT Ring to Ring Terminal Cable
Specs and Downloads
Single Battery Tech Specs
| 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 |
Inverter Specs
AC INPUT & OUTPUT
| AC Voltage: | 120V AC / 240V AC |
| AC Frequency: | 50 Hz / 60 Hz |
| Max. Continuous AC Current: | 37.5A @ 240V |
| Max. AC Input Power: | 9000W |
| AC Bypass: | 50A |
| Output Voltage: | 120V AC / 240V AC |
| Output Frequency: | 50 Hz / 60 Hz |
| Max. Continuous Output Current: | 25A @ 240V |
| Output Power: | 6000W |
| Surge Capacity: | 12000W (3.5 sec) / 11000W (5 sec) |
| Power Factor: | 0.99 (Full Load) |
| Reactive Power Adjustment Range: | -0.8 - 0.8 Leading Adjustable |
| Total Harmonic Distortion: | <3% |
| Switching Time: | <15 ms (Single) / <30 ms (Parallel) |
PV INPUT
| No. of MPPTs (Inputs per MPPT): | 2 (1) |
| Max. Input Current: | 17A / 17A |
| Max. Short Circuit Input Current: | 25A / 25A |
| DC Input Voltage Range: | 100 - 480V DC |
| Start Up Voltage: | 100V DC ± 10V DC |
| MPPT Operating Voltage Range: | 120 - 385V DC |
| MPPT Voltage: | 320V DC |
| Max. PV Array Power: | 8000W (4000W per MPPT) |
| MPPT Efficiency: | 99% |
BATTERY
| Nominal Voltage: | 48V DC |
| Battery Voltage Range: | 46.4 - 60V DC |
| Max. Discharge Current: | 140A |
| Max. Charge Current: | 125A |
| DC Cut-Off Voltage: | 59V DC |
| DC Recovery Voltage: | 57.4V DC |
| Charge Cut-Off Voltage: | 58.4V DC |
OPERATING ENVIRONMENT & DIMENSIONS
| Operating Temperature: | 32ºF - 113ºF (0ºC - 45ºC) |
| Storage Temperature: | 5ºF - 140ºF (-15ºC - 60ºC) |
| Altitude: | <6,561 ft (2000 m) |
| Relative Humidity: | 5 - 95% |
| Typical Noise Emission: | <58 dB |
| Protection Rating: | IP20 |
| Max. Parallel Connections: | 16 |
| Weight: | 52.9 lbs (24 kg) |
| Depth: | 5.25 in (132 mm) |
| Width: | 18 in (457 mm) |
| Height: | 25.5 in (648 mm) |
Battery Downloads
Inverter Downloads
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Yes! By default, all products on Solar Guys Pro are 100% brand-new and in perfect condition.
If an item is used or refurbished, it will clearly indicate so in the title of the product as well as the discription.
For example, a used Battery will say:
XYZ Battery | 48V 100AH (REFURBISHED)
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Frequently Asked Questions
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