12-Year Warranty

12-Year Warranty

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48V 4X HUSKY 2 INV - EG4 12K OFF-GRID INVERTER KIT
48V 4X HUSKY 2 INV - EG4 12K OFF-GRID INVERTER KIT - Image 2
48V 4X HUSKY 2 INV - EG4 12K OFF-GRID INVERTER KIT - Image 3
48V 4X HUSKY 2 INV - EG4 12K OFF-GRID INVERTER KIT - Image 4
48V 4X HUSKY 2 INV - EG4 12K OFF-GRID INVERTER KIT - Image 5
48V 4X HUSKY 2 INV - EG4 12K OFF-GRID INVERTER KIT - Image 6
48V 4X HUSKY 2 INV - EG4 12K OFF-GRID INVERTER KIT - Image 7
48V 4X HUSKY 2 INV - EG4 12K OFF-GRID INVERTER KIT - Image 8

Everything You Need, Included

Your complete 48V kit

48V HUSKY 2 INV Lithium Battery 5.12kWh 100Ah4× 48V HUSKY 2 INV Lithium Battery 5.12kWh 100Ah
Parallel Comm Cable3× Parallel Comm Cable
4AWG (Black and Red) 21 inches Ring to Ring Terminal Cable3× 4AWG (Black and Red) 21 inches Ring to Ring Terminal Cable
2AWG (Black and Red) 3FT Ring to Ring Terminal Cable1× 2AWG (Black and Red) 3FT Ring to Ring Terminal Cable
EG4 12000XP V2 OFF-GRID INVERTER1× EG4 12000XP V2 OFF-GRID INVERTER
  • 12-Year Warranty
  • U.S. Support
  • LiFePO₄ Safety

48V 4X HUSKY 2 INV – EG4 12K OFF-GRID INVERTER KIT

SKU# K0707

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Items Included

48V HUSKY 2 INV Lithium Battery 5.12kWh 100Ah | LiFePO4 | Inverter Comms | RV | Off-Grid | Marine Battery
4x 48V HUSKY 2 INV Lithium Battery 5.12kWh 100Ah | LiFePO4 | Inverter Comms | RV | Off-Grid | Marine Battery FHSKY-48051-G2-INV
Parallel Comm Cable
3x Parallel Comm Cable CBL099
4AWG (Black and Red) 21 inches Ring to Ring Terminal Cable
3x 4AWG (Black and Red) 21 inches Ring to Ring Terminal Cable CBL092
2AWG (Black and Red) 3FT Ring to Ring Terminal Cable
1x 2AWG (Black and Red) 3FT Ring to Ring Terminal Cable CBL086
EG4 12000XP V2 OFF-GRID INVERTER
1x EG4 12000XP V2 OFF-GRID INVERTER INV030
SKU: K0707 Category:
$8,415.00$8,389.99
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Additional Add-ons

Documents & Certifications

Battery

Inverter

About this item

The 48V 4× HUSKY 2 INV – EG4 12000XP Off-Grid Inverter Kit is a high-capacity, scalable energy solution designed for off-grid living, whole-home backup, and demanding power applications. Combining four 48V 5.12kWh HUSKY 2 LiFePO₄ batteries (20.48kWh total) with the powerful EG4 12000XP hybrid inverter, this system delivers reliable, efficient energy for residential, mobile, and remote setups.

 

The EG4 12000XP provides up to 12,000W split-phase output with 24,000W PV input and dual MPPTs, enabling strong solar production and seamless power management between solar, battery, and generator inputs. With fast UPS-level switching (15-30ms), smart load control, and parallel capability, the system ensures uninterrupted performance and future scalability.

 

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 harsh environments. Built with IP65-rated, vibration-resistant enclosures, the batteries are designed 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:

  • 4× HUSKY 2 INV 48V LiFePO₄ Batteries + EG4 12000XP Hybrid Inverter

Expandable & Flexible:

  • Scalable battery capacity for growing energy needs
  • Parallel inverter capability up to 72kW system output
  • Supports solar + generator input configurations
  • Designed for off-grid, backup, and mobile power applications
Key Features
  • Complete Off-Grid SystemBattery + inverter solution designed to work seamlessly together
  • 20.48kWh Total LiFePO₄ StorageHigh-capacity, reliable energy storage
  • 12,000W Split-Phase OutputPowers whole-home and high-demand loads
  • 24,000W PV InputHigh solar capacity with dual MPPT optimization
  • Inverter Communication (INV Batteries)Optimized coordination between battery and inverter
  • Advanced BMS ProtectionMulti-layer safety for voltage, current, and temperature
  • IP65-Rated Battery DesignBuilt for dust, water resistance, and rugged environments
  • Self-Heating FunctionReliable performance in cold climates
  • UPS Backup (15–30ms)Seamless transition during outages
  • Smart Energy ManagementSupports load control, AC coupling, and peak shaving
  • Parallel CapabilityExpand system output for larger applications
  • Maintenance-Free OperationNo routine servicing required

A high-capacity, scalable off-grid energy system built for performance, durability, and long-term energy independence.

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: INV030
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
UL1741 Certificate:DownloadDOWNLOAD
WiFi Configuration Guide:DownloadDOWNLOAD
CEC Listing – EG4 12000XP:Go to linkGO TO LINK

Inverter Specifications

Nominal AC Voltage:120/240VAC | 120/208VAC (L1/L2/N required)
Frequency (Grid | Generator):60 Hz (Default) | 50 Hz (Configurable)
Max Continuous AC Current (Grid | Generator):100A @ 240VAC | 62.5A @ 240VAC
Max AC Input Power:24000W
AC Bypass (Grid | Generator):100A | 90A
Recommended Generator Capacity:6000W – 15000W
Output Voltage:120/240VAC | 208VAC
Output Frequency:60 Hz (Default) | 50 Hz (Configurable)
Max Continuous Output Current:50A @ 240VAC | 57.7A @ 208VAC
Nominal Output Power (without PV):12000W @ 240V | 12000W @ 208V
Nominal Output Power (with PV):12000W @ 240V | 12000W @ 208V
Max Continuous Wattage:12000W (L1/L2) | 6000W (L1-N/L2-N)
Surge Capacity:18000W (5 sec) | 15000W (10 sec)
Power Factor:0.99
Total Harmonic Distortion:<3%
Switching Time:<10 ms (Single) | <20 ms (Parallel)
No. of MPPTs (Inputs per MPPT):2 (2)
Max Input Current:35A / 35A
Max Short Circuit Input Current:44A / 44A
DC Input Voltage Range:100 – 480VDC
Min Start Up Voltage:100VDC
MPPT Operating Voltage Range:120 – 385VDC
Nominal MPPT Voltage:320VDC
Max Utilized PV Power:24000W (12000W per MPPT)
Max Recommended PV Input:28000W (14000W per MPPT)
Efficiency:99% (MPPT) | 93.5% (PV to Loads) | 92.8% (PV to Battery) | 92.5% (AC to Battery) | 90.2% (Battery to Loads)
Idle Consumption (Standby Mode):<70W
Nominal Voltage:48VDC
Battery Voltage Range:46.4 – 60VDC
Max Charge / Discharge Current:250A
Max Charge / Discharge Power:12000W
DC Cut-Off Voltage:59VDC
Recommended Battery Capacity per Inverter:>400Ah
Max Parallel Connections:6
Protection Rating:IP20
Communication Interface:RS485 / CANBus / WiFi
Operating Temperature (Full Load):32ºF – 113ºF (0ºC – 45ºC)
Storage Temperature:5ºF – 140ºF (-15ºC – 60ºC)
Altitude:<6,561 ft (2000 m)
Relative Humidity:5 – 95% (Non-Condensing)
Typical Noise Emission:<60 dB
Cooling Method:Fan
Weight:104.7 lbs (47.5 kg)
Depth:5.9 in (150 mm)
Width:20.9 in (530 mm)
Height:34.25 in (870 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: INV030
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
UL1741 Certificate:DownloadDOWNLOAD
WiFi Configuration Guide:DownloadDOWNLOAD
CEC Listing – EG4 12000XP:Go to linkGO TO LINK

Inverter Specifications

Nominal AC Voltage:120/240VAC | 120/208VAC (L1/L2/N required)
Frequency (Grid | Generator):60 Hz (Default) | 50 Hz (Configurable)
Max Continuous AC Current (Grid | Generator):100A @ 240VAC | 62.5A @ 240VAC
Max AC Input Power:24000W
AC Bypass (Grid | Generator):100A | 90A
Recommended Generator Capacity:6000W – 15000W
Output Voltage:120/240VAC | 208VAC
Output Frequency:60 Hz (Default) | 50 Hz (Configurable)
Max Continuous Output Current:50A @ 240VAC | 57.7A @ 208VAC
Nominal Output Power (without PV):12000W @ 240V | 12000W @ 208V
Nominal Output Power (with PV):12000W @ 240V | 12000W @ 208V
Max Continuous Wattage:12000W (L1/L2) | 6000W (L1-N/L2-N)
Surge Capacity:18000W (5 sec) | 15000W (10 sec)
Power Factor:0.99
Total Harmonic Distortion:<3%
Switching Time:<10 ms (Single) | <20 ms (Parallel)
No. of MPPTs (Inputs per MPPT):2 (2)
Max Input Current:35A / 35A
Max Short Circuit Input Current:44A / 44A
DC Input Voltage Range:100 – 480VDC
Min Start Up Voltage:100VDC
MPPT Operating Voltage Range:120 – 385VDC
Nominal MPPT Voltage:320VDC
Max Utilized PV Power:24000W (12000W per MPPT)
Max Recommended PV Input:28000W (14000W per MPPT)
Efficiency:99% (MPPT) | 93.5% (PV to Loads) | 92.8% (PV to Battery) | 92.5% (AC to Battery) | 90.2% (Battery to Loads)
Idle Consumption (Standby Mode):<70W
Nominal Voltage:48VDC
Battery Voltage Range:46.4 – 60VDC
Max Charge / Discharge Current:250A
Max Charge / Discharge Power:12000W
DC Cut-Off Voltage:59VDC
Recommended Battery Capacity per Inverter:>400Ah
Max Parallel Connections:6
Protection Rating:IP20
Communication Interface:RS485 / CANBus / WiFi
Operating Temperature (Full Load):32ºF – 113ºF (0ºC – 45ºC)
Storage Temperature:5ºF – 140ºF (-15ºC – 60ºC)
Altitude:<6,561 ft (2000 m)
Relative Humidity:5 – 95% (Non-Condensing)
Typical Noise Emission:<60 dB
Cooling Method:Fan
Weight:104.7 lbs (47.5 kg)
Depth:5.9 in (150 mm)
Width:20.9 in (530 mm)
Height:34.25 in (870 mm)

Compare Battery

Compare Inverter

Battery: 12 Years BigBattery Warranty

Inverter: 5 Years EG4 Manufacturer Warranty

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48V 4X HUSKY 2 INV – EG4 12K OFF-GRID INVERTER KIT