Big Battery | 48V 2X HUSKY 2 KIT – EG4 6K Off-Grid Inverter
Overview
NEXT-GEN POWER STORAGE IS HERE! BigBattery’s 48V 10.24kWh LiFePO4 HUSKY 2 Kit delivers unmatched reliability and efficiency, making it the perfect choice for off-grid systems, emergency backup, or mobile power setups like RVs and camper vans.
The HUSKY 2 is our most energy-dense 48V solution, designed for peace of mind during blackouts or off-grid adventures. With Tier 1 LFP cells, a wide temperature range, and comprehensive BMS protections for Over/Under Voltage and Over Current, this battery sets a new standard in durability and versatility. Its built-in thermal management system and self-heating capability ensure consistent performance—even in cold weather.
Housed in a rugged IP65-rated, vibration-resistant casing, the HUSKY 2 features advanced cell balancing and parallel CANBus & RS485 communication protocols. This kit also includes a 6000W EG4 split-phase inverter with an LCD display, smart load control, variable modes, built-in circuit breakers, and an integrated UPS module. This versatile inverter handles PV arrays up to 8000W and offers parallel scalability up to 96kW—making it the ideal partner for your HUSKY 2 system.
Compact, lightweight, and built for performance, the HUSKY 2 Kit ensures you’re always prepared for any power needs. Shop the all-new 48V HUSKY 2 & HUSKY 2 Kits today!
What's Included
2 × 48V HUSKY 2 - LiFePO4 - 100Ah - 5.12kWh
1 × EG4 6kW (8kPV) OFF-GRID INVERTER
1 × Parallel Comm Cable
1 × 4AWG (Black and Red) 21 inches 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) |
