12-Year Warranty

12-Year Warranty

Full Battery Coverage

BigBattery 48V 2x HUSKY 2 INV + EG4 6K OFF-GRID INVERTER KIT | 10.24kWh | Off-Grid
BigBattery 48V 2x HUSKY 2 INV + EG4 6K OFF-GRID INVERTER KIT | 10.24kWh | Off-Grid - Image 2
BigBattery 48V 2x HUSKY 2 INV + EG4 6K OFF-GRID INVERTER KIT | 10.24kWh | Off-Grid - Image 3
BigBattery 48V 2x HUSKY 2 INV + EG4 6K OFF-GRID INVERTER KIT | 10.24kWh | Off-Grid - Image 4
BigBattery 48V 2x HUSKY 2 INV + EG4 6K OFF-GRID INVERTER KIT | 10.24kWh | Off-Grid - Image 5
BigBattery 48V 2x HUSKY 2 INV + EG4 6K OFF-GRID INVERTER KIT | 10.24kWh | Off-Grid - Image 6
BigBattery 48V 2x HUSKY 2 INV + EG4 6K OFF-GRID INVERTER KIT | 10.24kWh | Off-Grid - Image 7

Everything You Need, Included

Your complete 48V kit

Inverter48V HUSKY 2 INV Lithium Battery 5.12kWh 100Ah2× 48V HUSKY 2 INV Lithium Battery 5.12kWh 100Ah
InverterEG4 6000XP (8kPV) OFF-GRID INVERTER1× EG4 6000XP (8kPV) OFF-GRID INVERTER
CablesParallel Comm Cable1× Parallel Comm Cable
Cables4AWG (Black and Red) 21 inches Ring to Ring Terminal Cable1× 4AWG (Black and Red) 21 inches Ring to Ring Terminal Cable
  • 12-Year Warranty
  • U.S. Support
  • LiFePO₄ Safety

BigBattery 48V 2x HUSKY 2 INV + EG4 6K OFF-GRID INVERTER KIT | 10.24kWh | Off-Grid

SKU# K0705

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SKU: K0705-V Category:
$4,704.99
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7% off the EG4 inverter in this kit

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About this item

The 2× 48V HUSKY 2 INV – 1× EG4 6000XP Off-Grid Inverter Kit is a compact, high-performance energy solution designed for off-grid living, backup power, and mobile energy applications. Combining two 48V 5.12kWh HUSKY 2 LiFePO₄ batteries (10.24kWh total) with the reliable EG4 6000XP inverter-charger, this system delivers efficient, scalable power for homes, RVs, and remote setups.

 

The EG4 6000XP provides up to 6,000W split-phase output with support for up to 8,000W PV input, enabling seamless integration of solar, battery, and generator power. With fast UPS-level switching (15–30ms), smart load control, and parallel capability, the system ensures continuous, reliable performance.

 

Paired with HUSKY 2 INV batteries – featuring inverter communication capability, Tier 1 LiFePO₄ cells, advanced BMS protection, and self-heating functionality – this system ensures stable, long-lasting energy even in demanding environments. Built with an IP65-rated, vibration-resistant enclosure, the batteries are ideal for rugged indoor and outdoor use.

Ships From: Texas, USA
Warranty: 12 Years (Battery), 5 Years (Inverter)
Support: Lifetime USA-Based Tech Support

 

Compatibility

Integrated & Optimized System:

  • 2× HUSKY 2 INV 48V LiFePO₄ Batteries + EG4 6000XP Inverter-Charger

Expandable & Flexible:

  • Scalable battery capacity for growing energy needs
  • Supports solar + generator input configurations
  • Designed for off-grid, backup, and mobile power applications
Key Features
  • Complete Off-Grid System – Battery + inverter solution designed to work seamlessly together
  • 10.24kWh Total LiFePO₄ Storage – High-capacity, reliable energy storage
  • 6,000W Split-Phase Output – Powers residential, RV, and off-grid loads
  • Up to 8,000W PV Input – Efficient solar integration with flexible system design
  • Inverter Communication (INV Batteries) – Optimized coordination between battery and inverter
  • Advanced BMS Protection – Multi-layer safety for voltage, current, and temperature
  • IP65-Rated Battery Design – Built for dust, water resistance, and rugged environments
  • Self-Heating Function – Reliable performance in cold climates
  • UPS Backup (15 – 30ms) – Seamless transition during outages
  • Smart Energy Management – Supports load control, AC coupling, and peak shaving
  • Parallel Capability – Expand system output for larger applications
  • Maintenance-Free Operation – No routine servicing required

A compact, scalable off-grid energy system built for reliability, efficiency, and long-term energy independence wherever power is needed.

Designed For 48V Applications
  • LEAD ACID REPLACEMENT
  • OFF-GRID SYSTEMS
  • EMERGENCY BACKUP
  • CLASS A, B, & C RVs
  • CAMPER VANS
  • FOOD TRUCKS
  • COMMERCIAL VEHICLES
  • MOBILE POWER SETUPS

See More On YouTube




Battery Downloads

SKU#:FHSKY-48051-G2-INV
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
CE Certificate:DownloadDOWNLOAD
UN38.3 Certificate:DownloadDOWNLOAD
Safety Data Sheet:DownloadDOWNLOAD
Mobile IOS App:Go to linkGO TO LINK
Mobile Android App:Go to linkGO TO LINK

Battery Specifications

GTIN-12 (U.P.C.):850061252296
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:100A
Max Continuous Power:7500W
Recommended Continuous Power:4000W
Max Discharge Peak Current:150A (Max 3 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 Downloads

SKU#:INV026
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
Monitoring System Guide:DownloadDOWNLOAD
Monitoring Adapter Installation Guide:DownloadDOWNLOAD
UL1741 Certificate:DownloadDOWNLOAD
Warranty:DownloadDOWNLOAD
CEC Listing – EG4 6000XP:Go to linkGO TO LINK

Inverter Specifications

AC Voltage:120V AC / 240V AC
AC Frequency:50 Hz / 60 Hz
Max. Continuous AC Current:37.50A @ 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)
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%
Nominal Battery Voltage:48V DC
Battery Voltage Range:46.4 – 60V DC
Max. Discharge Current:140A
Max. Charge Current:125A
DC Cut-Off Voltage:59V DC
Operating Temperature:32°F – 113°F (0°C – 45°C)
Storage Temperature:5°F – 140°F (-15°C – 60°C)
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)

Compare Battery

Compare Inverter

Battery: 12 Years BigBattery Warranty

Inverter: 5 Years EG4 Manufacturer Warranty

Designed For 48V Applications
  • LEAD ACID REPLACEMENT
  • OFF-GRID SYSTEMS
  • EMERGENCY BACKUP
  • CLASS A, B, & C RVs
  • CAMPER VANS
  • FOOD TRUCKS
  • COMMERCIAL VEHICLES
  • MOBILE POWER SETUPS

See More On YouTube




Battery Downloads

SKU#:FHSKY-48051-G2-INV
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
CE Certificate:DownloadDOWNLOAD
UN38.3 Certificate:DownloadDOWNLOAD
Safety Data Sheet:DownloadDOWNLOAD
Mobile IOS App:Go to linkGO TO LINK
Mobile Android App:Go to linkGO TO LINK

Battery Specifications

GTIN-12 (U.P.C.):850061252296
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:100A
Max Continuous Power:7500W
Recommended Continuous Power:4000W
Max Discharge Peak Current:150A (Max 3 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 Downloads

SKU#:INV026
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
Monitoring System Guide:DownloadDOWNLOAD
Monitoring Adapter Installation Guide:DownloadDOWNLOAD
UL1741 Certificate:DownloadDOWNLOAD
Warranty:DownloadDOWNLOAD
CEC Listing – EG4 6000XP:Go to linkGO TO LINK

Inverter Specifications

AC Voltage:120V AC / 240V AC
AC Frequency:50 Hz / 60 Hz
Max. Continuous AC Current:37.50A @ 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)
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%
Nominal Battery Voltage:48V DC
Battery Voltage Range:46.4 – 60V DC
Max. Discharge Current:140A
Max. Charge Current:125A
DC Cut-Off Voltage:59V DC
Operating Temperature:32°F – 113°F (0°C – 45°C)
Storage Temperature:5°F – 140°F (-15°C – 60°C)
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)

Compare Battery

Compare Inverter

Battery: 12 Years BigBattery Warranty

Inverter: 5 Years EG4 Manufacturer Warranty

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BigBattery 48V 2x HUSKY 2 INV + EG4 6K OFF-GRID INVERTER KIT | 10.24kWh | Off-Grid

Price range: $4,704.99 through $6,329.99