EG4 All Weather Battery - EG4 12000XP V2 Hybrid Inverter (ESS) | 14.3-85.8 kWh | Off-Grid Home Solar System (24kW-72kW PV)
EG4 All Weather Battery - EG4 12000XP V2 Hybrid Inverter (ESS) | 14.3-85.8 kWh | Off-Grid Home Solar System (24kW-72kW PV) - Image 2
EG4 All Weather Battery - EG4 12000XP V2 Hybrid Inverter (ESS) | 14.3-85.8 kWh | Off-Grid Home Solar System (24kW-72kW PV) - Image 3
EG4 All Weather Battery - EG4 12000XP V2 Hybrid Inverter (ESS) | 14.3-85.8 kWh | Off-Grid Home Solar System (24kW-72kW PV) - Image 4
EG4 All Weather Battery - EG4 12000XP V2 Hybrid Inverter (ESS) | 14.3-85.8 kWh | Off-Grid Home Solar System (24kW-72kW PV) - Image 5
EG4 All Weather Battery - EG4 12000XP V2 Hybrid Inverter (ESS) | 14.3-85.8 kWh | Off-Grid Home Solar System (24kW-72kW PV) - Image 6
EG4 All Weather Battery - EG4 12000XP V2 Hybrid Inverter (ESS) | 14.3-85.8 kWh | Off-Grid Home Solar System (24kW-72kW PV) - Image 7
EG4 All Weather Battery - EG4 12000XP V2 Hybrid Inverter (ESS) | 14.3-85.8 kWh | Off-Grid Home Solar System (24kW-72kW PV) - Image 8
EG4 All Weather Battery - EG4 12000XP V2 Hybrid Inverter (ESS) | 14.3-85.8 kWh | Off-Grid Home Solar System (24kW-72kW PV) - Image 9

Everything You Need, Included

Everything in the box

EG4 WallMount 280Ah All Weather1× EG4 WallMount 280Ah All Weather
EG4 All Weather Conduit Box1× EG4 All Weather Conduit Box
EG4 12000XP (24kPV) OFF-GRID INVERTER1× EG4 12000XP (24kPV) OFF-GRID INVERTER
  • U.S. Support
  • LiFePO₄ Safety

EG4 All Weather Battery – EG4 12000XP V2 Hybrid Inverter (ESS) | 14.3-85.8 kWh | Off-Grid Home Solar System (24kW-72kW PV)

SKU# K0149

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Choose Your ESS Configuration*

Compare the available system sizes and choose the configuration that fits your power needs.

1x Inverter

Standard

Great for small homes or basic backup needs.

Residential

2x Inverter

Large

Ideal for larger homes or higher energy demands.

Extended Power

3x Inverter

3 Phase

For commercial, agricultural or high-load applications.

Maximum Capacity
SKU: K0766-V Category:
$5,189.97
Orders over $3,000 Qualify For Free Shipping!
7% off the EG4 battery in this kit

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Documents & Certifications

Battery

Inverter

About this item

The EG4 280Ah All-Weather Battery + EG4 12000XP ESS System is a powerful, all-weather energy solution designed for reliable on-grid and off-grid power in homes, cabins, and homesteads. Combining high-capacity 14.3kWh EG4 All-Weather LiFePO₄ batteries with the advanced EG4 12000XP hybrid inverter, this system delivers scalable, efficient energy storage built to perform in demanding environments.

 

Starting at 14.3kWh and expandable up to 85.8kWh, this system provides flexible capacity for growing energy needs. The EG4 12000XP delivers 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 grid.

 

Built for durability, the All-Weather batteries feature a weather-resistant enclosure, advanced BMS with active cell balancing, integrated self-heating, and internal fire suppression for safe, long-term operation. With closed-loop communication, smart energy controls, and U.S.-supported engineering, this system delivers reliable backup power, energy savings, and peace of mind year-round.

Ships From: Texas, USA
Warranty: 10 Years (Battery), 5 Years (Inverter)
Support: Lifetime USA-Based Tech Support

 

Compatibility

Integrated & Optimized System:

  • EG4 280Ah All-Weather Battery + EG4 12000XP Hybrid Inverter

Expandable & Flexible:

  • Expand battery capacity from 14.3kWh up to 85.8kWh
  • Supports grid-tied, hybrid, and off-grid installations
  • Compatible with solar + generator input configurations
Key Features
  • Complete ESS SolutionBattery + inverter system designed to work seamlessly together
  • 12,000W Split-Phase OutputReliable power for whole-home and off-grid applications
  • 24,000W PV InputHigh solar capacity with dual MPPT optimization
  • 14.3kWh LiFePO₄ Battery ModulesDurable, high-capacity energy storage
  • 200A Continuous Output (~9.6kW per battery)Supports high-demand loads
  • 8,000+ Cycle LifeLong-lasting performance at 80% DoD
  • All-Weather DesignBuilt for reliable indoor and outdoor operation
  • Integrated Self-HeatingReliable performance in cold climates
  • Advanced BMS & Safety FeaturesIncludes active balancing and internal fire suppression
  • Closed-Loop CommunicationSeamless coordination between battery and inverter
  • Smart Energy ManagementSupports load control, AC coupling, and peak shaving
  • Maintenance-Free OperationNo routine servicing required

A scalable, all-weather energy storage system built for durability, performance, and long-term energy independence.

Whether indoors or outdoors, our All-Weather battery is built to last. Paired with the 12000XP inverter, the complete ESS system is engineered for safe, optimal indoor performance.

Battery Downloads

SKU#:FEWPP-48143-G1
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
UL9540A Certificate:DownloadDOWNLOAD
UL1973 Certificate:DownloadDOWNLOAD
Quick Start Guide:DownloadDOWNLOAD
CEC Listing- EG4 WallMount All Weather:Go to linkGO TO LINK

Battery Specifications

Nominal Voltage:51.2V
Chemistry:Lithium Iron Phosphate (LiFePO4)
kWh Capacity:14.3kWh
Ah Capacity:280Ah
BMS Charging Voltage (Bulk/Absorb):56.0V (±0.8V)
Rec. Charging Voltage (Bulk/Absorb):56.2V (±0.2V)
Rec. Float Setting:54V (±0.2V)
Rec. SoC Cutoff Setting:20%
Max. Continuous Charge Current:140A
Max. Continuous Discharge Current:140A (200A Max. Continuous for 30 min)
Rec. Charge Current:60 – 140A
Rec. Discharge Current:60 – 140A
Max Continuous Discharge Rate:10,240W
Voltage:56V
Power Consumption:224W
Internal Temperature Cutoffs:≤32ºF (On) | ≥41ºF (Off)
Charging Temperature Range:32ºF – 122ºF (0ºC – 50ºC)
Discharging Temperature Range:-4ºF – 131ºF (-20ºC – 55ºC)
Storage Temperature Range:32ºF – 113ºF (0ºC – 45ºC)
Operating Altitude:<16,404 ft (<5,000 m)
Protection Rating:IP65
Communications:RS485 | CANBus
Weight:308.6 lbs (140 kg)
Depth:9.1 in (232 mm)
Width:22.3 in (566 mm)
Height:36.1 in (916 mm)

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 & Inverter

EG4 All Weather Battery: 10-Year EG4 Manufacturer Warranty

EG4 12000xp Inverter: 5-Year EG4 Manufacturer Warranty

Whether indoors or outdoors, our All-Weather battery is built to last. Paired with the 12000XP inverter, the complete ESS system is engineered for safe, optimal indoor performance.

 

See More On YouTube

Battery Downloads

SKU#:FEWPP-48143-G1
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
UL9540A Certificate:DownloadDOWNLOAD
UL1973 Certificate:DownloadDOWNLOAD
Quick Start Guide:DownloadDOWNLOAD
CEC Listing- EG4 WallMount All Weather:Go to linkGO TO LINK

Battery Specifications

Nominal Voltage:51.2V
Chemistry:Lithium Iron Phosphate (LiFePO4)
kWh Capacity:14.3kWh
Ah Capacity:280Ah
BMS Charging Voltage (Bulk/Absorb):56.0V (±0.8V)
Rec. Charging Voltage (Bulk/Absorb):56.2V (±0.2V)
Rec. Float Setting:54V (±0.2V)
Rec. SoC Cutoff Setting:20%
Max. Continuous Charge Current:140A
Max. Continuous Discharge Current:140A (200A Max. Continuous for 30 min)
Rec. Charge Current:60 – 140A
Rec. Discharge Current:60 – 140A
Max Continuous Discharge Rate:10,240W
Voltage:56V
Power Consumption:224W
Internal Temperature Cutoffs:≤32ºF (On) | ≥41ºF (Off)
Charging Temperature Range:32ºF – 122ºF (0ºC – 50ºC)
Discharging Temperature Range:-4ºF – 131ºF (-20ºC – 55ºC)
Storage Temperature Range:32ºF – 113ºF (0ºC – 45ºC)
Operating Altitude:<16,404 ft (<5,000 m)
Protection Rating:IP65
Communications:RS485 | CANBus
Weight:308.6 lbs (140 kg)
Depth:9.1 in (232 mm)
Width:22.3 in (566 mm)
Height:36.1 in (916 mm)

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 & Inverter

EG4 All Weather Battery: 10-Year EG4 Manufacturer Warranty

EG4 12000xp Inverter: 5-Year EG4 Manufacturer Warranty

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