EG4 WallMount 314Ah Indoor Battery + 6000XP Inverter
EG4 WallMount 314Ah Indoor Battery + 6000XP Inverter - Image 2
EG4 WallMount 314Ah Indoor Battery + 6000XP Inverter - Image 3
EG4 WallMount 314Ah Indoor Battery + 6000XP Inverter - Image 4
EG4 WallMount 314Ah Indoor Battery + 6000XP Inverter - Image 5
EG4 WallMount 314Ah Indoor Battery + 6000XP Inverter - Image 6
EG4 WallMount 314Ah Indoor Battery + 6000XP Inverter - Image 7
EG4 WallMount 314Ah Indoor Battery + 6000XP Inverter - Image 8

Product Summary:

The EG4 314Ah Indoor Battery + EG4 6000XP ESS System delivers smart power, simple reliability, and scalable energy independence for off-grid and backup applications. Combining the high-capacity 16.1kWh EG4 WallMount Indoor LiFePO₄ battery with the efficient EG4 6000XP inverter-charger, this system provides dependable whole-home backup in a compact, space-saving design.

 

The EG4 6000XP delivers up to 6,000W split-phase output and supports seamless integration of solar, battery, and generator inputs, enabling continuous, reliable operation. Paired with the 314Ah battery – featuring 200A continuous output, 8,000+ cycle life, and an advanced BMS with real-time monitoring – this system ensures stable, long-lasting performance for homes and small businesses.

 

Designed for safe indoor installation, the battery includes self-heating for cold environments, RS485/CANBus communication for closed-loop integration, and a clean wall-mount design for easy setup. With smart energy controls and maintenance-free operation, this ESS is ideal for energy savings, outage protection, and off-grid living.

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

 

Compatibility

Integrated & Optimized System:

  • EG4 314Ah Indoor Battery + EG4 6000XP Inverter-Charger

Expandable & Flexible:

  • Compatible with other EG4 battery systems
  • Scalable energy storage for growing system needs
  • Supports off-grid, hybrid, and backup power applications
Key Features
  • Complete ESS Solution – Battery + inverter system designed to work seamlessly together
  • 6,000W Split-Phase Output – Reliable power for homes, cabins, and small businesses
  • 16.1kWh LiFePO₄ Battery (314Ah) – High-capacity, safe indoor energy storage
  • 200A Continuous Output (~9.6kW) – Supports whole-home and critical loads
  • 8,000+ Cycle Life – Long-lasting performance at 80% DoD
  • Advanced BMS Monitoring – Real-time system visibility and protection
  • Self-Heating Function – Reliable operation in colder environments
  • Closed-Loop Communication – Seamless coordination between battery and inverter
  • Smart Energy Management – Supports load control, AC coupling, and peak shaving
  • Wall-Mount Indoor Design – Clean, space-saving installation
  • Maintenance-Free Operation – No routine servicing required

A compact, high-capacity energy storage system built for reliability, efficiency, and long-term energy independence.

EG4 WallMount 314Ah Indoor Battery + 6000XP Inverter

$5,425.00
SKU# K0252

Choose Your Inverter Option*

EG4 18kPV EG4 FlexBoss18 EG4 FlexBoss21 None

Choose Your Battery Option*

BigBattery ETHOS EG4 280Ah All Weather EG4 280Ah Indoor EG4 314Ah All Weather EG4 314Ah Indoor None

Choose Your Inverter Option*

APEX-6.5K APEX-10K EG4 6000XP EG4 12000XP VICTRON MP II 3000 VICTRON MP II 5000 None

Choose Your Battery Option*

BigBattery NEXUS BigBattery ETHOS BigBattery HUSKY2 INV EG4 280Ah All Weather EG4 314Ah All Weather EG4 314Ah Indoor None

Choose Your ESS Configuration*

1x Inverter

Standard

2x Inverter

Large

3x Inverter

3 Phase

SKU: K0252-V Category:
Free Shipping on orders $3000+

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Introducing the Indoor 314Ah Batteries!

Smart power. Simple reliability. Whether you want lower energy costs or more control during outages, the EG4 WallMount 314Ah Indoor Battery delivers dependable whole-home backup in a compact design. With 16.1 kWh of storage capacity and 200A continuous output, it provides consistent performance for your home or small business — all while fitting seamlessly into your indoor setup.

Introducing The EG4 WallMount Indoor Battery

Key Features:

  • Cross-Compatible with Other EG4 Models: Seamlessly integrates with existing
    EG4 battery systems for flexible scaling and expanded storage capacity.
  • Hybrid Wall or Floor Mount Design: Flexible installation options with a durable,
    space-saving enclosure (IP20 rated).
  • High-Capacity Storage: 16kWh nominal energy and 314Ah capacity for
    reliable, high-output performance.
  • Auto-ID Technology: Automatically recognizes and syncs new batteries during
    installation, simplifying system setup and configuration.

Latest BMS Technology

Third-Generation BMS: Provides advanced monitoring, improved balancing precision, and faster response times for greater safety and system efficiency.

All-Weather Self-Heating

Self-Heating Function: Maintains optimal performance and battery health in cold environments.

Your Personal Power House

200A Continuous Output / 12.8kW Peak Power: Supports heavy household loads and seamless backup operation.

Battery Downloads

SKU#:FEWMT-48161-G1
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
Quick Start Guide:DownloadDOWNLOAD
Certification of Compliance:DownloadDOWNLOAD
Certification of Conformity:DownloadDOWNLOAD

Battery Specifications

Product Type:Low Voltage LFP Battery
Battery Type:Lithium Iron Phosphate (LFP)
Model Number:WM-48-314-IN-XX (XX is a number between 00 – 99)
Nominal Energy Capacity:16kWh
Usable Energy (DOD%):12.86kWh (80% recommended)
Voltage Range:47.5 – 57.6 VDC
Nominal Voltage:51.2 VDC
Capacity:314Ah
Charging Voltage Range:56 – 57 VDC
Discharging Cut-off Voltage:47.5 VDC
Max Continuous Charge Current:157A
Max Continuous Discharge Current:200A
Continuous Charge/Discharge Power:8/10.2 kW
Recommended Charging/Discharging Rate:0.5C
Peak Power:12.8kW (3 sec)
Round-trip Efficiency:95%
Max Parallel Units:16
Protection Features:Over/Under Voltage, Over-Current, Short Circuit, High/Low Temp
Battery Management System (BMS):Integrated, Active Balancing
Communication Protocols:RS485, CAN
Battery Breaker:250A
Storage Temperature Range**:-4 – 131°F (-20 – 55°C)
Humidity Range:5% – 95% RH (non-condensing)
Altitude:9843 ft. (<3000 m)
Cooling Method:Natural Convection
Dimensions (H × W × D):34.1 in. × 18.1 in. × 9.6 in. (865 mm × 460 mm × 245 mm)
Operating Temperature Range:Charge: 32 – 122°F (0 – 50°C); Discharging: -4 – 131°F (-20 – 55°C)
Recommended DOD Setting Note*:EG4 recommends this value be set no lower than 20% to maintain the recommended 80% Depth of Discharge.
Storage Temperature Note**:Less than 3 months of storage. If longer than 3 months, recommended storage temperature will be 59°F – 86°F (15°C – 30°C).
Weight:293.2 lbs. (133 kg)
Enclosure Rating:IP20
Mounting Options:Wall/Floor mount
Display/Indicators:LED Status
Connector Type:Degson quick connector/screw terminal
UL 1973:Yes
UL 9540A:Batt to Batt spacing of 6 in.
UN 38.3:Yes
FCC Part 15 (EMC):Yes
Protection Class:Class B
Cycle Life (70% EOL Capacity):10000 cycles @ 0.5C, 25°C, 80% DOD
Design Life*:10 years
Warranty:10 years or 10000 cycles
Application Type:Residential/Commercial/Off-grid/Backup
Lifetime Energy Throughput (Calculated):(51.2V×314Ah/1000×80%×10000/1000)90% = 115.7 MWh or (12861 kWh×10000 cycles×90% efficiency) = 115.7 MWh
Note:Information subject to change without notice.

Inverter Downloads

SKU:K0253, K0253, K0254, K0255, K0256
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
Monitoring System Guide:DownloadDOWNLOAD
Monitoring Adapter Installation Guide:DownloadDOWNLOAD
UL1741 Certificate:DownloadDOWNLOAD
Warranty:DownloadDOWNLOAD
CEC Listing – BigBattery ETHOS + 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:37.5A @ 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)
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)

Introducing the Indoor 314Ah Batteries!

Smart power. Simple reliability. Whether you want lower energy costs or more control during outages, the EG4 WallMount 314Ah Indoor Battery delivers dependable whole-home backup in a compact design. With 16.1 kWh of storage capacity and 200A continuous output, it provides consistent performance for your home or small business — all while fitting seamlessly into your indoor setup.

Introducing The EG4 WallMount Indoor Battery

Key Features:

  • Cross-Compatible with Other EG4 Models: Seamlessly integrates with existing
    EG4 battery systems for flexible scaling and expanded storage capacity.
  • Hybrid Wall or Floor Mount Design: Flexible installation options with a durable,
    space-saving enclosure (IP20 rated).
  • High-Capacity Storage: 16kWh nominal energy and 314Ah capacity for
    reliable, high-output performance.
  • Auto-ID Technology: Automatically recognizes and syncs new batteries during
    installation, simplifying system setup and configuration.

Latest BMS Technology

Third-Generation BMS: Provides advanced monitoring, improved balancing precision, and faster response times for greater safety and system efficiency.

All-Weather Self-Heating

Self-Heating Function: Maintains optimal performance and battery health in cold environments.

Your Personal Power House

200A Continuous Output / 12.8kW Peak Power: Supports heavy household loads and seamless backup operation.

Battery Downloads

SKU#:FEWMT-48161-G1
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
Quick Start Guide:DownloadDOWNLOAD
Certification of Compliance:DownloadDOWNLOAD
Certification of Conformity:DownloadDOWNLOAD

Battery Specifications

Product Type:Low Voltage LFP Battery
Battery Type:Lithium Iron Phosphate (LFP)
Model Number:WM-48-314-IN-XX (XX is a number between 00 – 99)
Nominal Energy Capacity:16kWh
Usable Energy (DOD%):12.86kWh (80% recommended)
Voltage Range:47.5 – 57.6 VDC
Nominal Voltage:51.2 VDC
Capacity:314Ah
Charging Voltage Range:56 – 57 VDC
Discharging Cut-off Voltage:47.5 VDC
Max Continuous Charge Current:157A
Max Continuous Discharge Current:200A
Continuous Charge/Discharge Power:8/10.2 kW
Recommended Charging/Discharging Rate:0.5C
Peak Power:12.8kW (3 sec)
Round-trip Efficiency:95%
Max Parallel Units:16
Protection Features:Over/Under Voltage, Over-Current, Short Circuit, High/Low Temp
Battery Management System (BMS):Integrated, Active Balancing
Communication Protocols:RS485, CAN
Battery Breaker:250A
Storage Temperature Range**:-4 – 131°F (-20 – 55°C)
Humidity Range:5% – 95% RH (non-condensing)
Altitude:9843 ft. (<3000 m)
Cooling Method:Natural Convection
Dimensions (H × W × D):34.1 in. × 18.1 in. × 9.6 in. (865 mm × 460 mm × 245 mm)
Operating Temperature Range:Charge: 32 – 122°F (0 – 50°C); Discharging: -4 – 131°F (-20 – 55°C)
Recommended DOD Setting Note*:EG4 recommends this value be set no lower than 20% to maintain the recommended 80% Depth of Discharge.
Storage Temperature Note**:Less than 3 months of storage. If longer than 3 months, recommended storage temperature will be 59°F – 86°F (15°C – 30°C).
Weight:293.2 lbs. (133 kg)
Enclosure Rating:IP20
Mounting Options:Wall/Floor mount
Display/Indicators:LED Status
Connector Type:Degson quick connector/screw terminal
UL 1973:Yes
UL 9540A:Batt to Batt spacing of 6 in.
UN 38.3:Yes
FCC Part 15 (EMC):Yes
Protection Class:Class B
Cycle Life (70% EOL Capacity):10000 cycles @ 0.5C, 25°C, 80% DOD
Design Life*:10 years
Warranty:10 years or 10000 cycles
Application Type:Residential/Commercial/Off-grid/Backup
Lifetime Energy Throughput (Calculated):(51.2V×314Ah/1000×80%×10000/1000)90% = 115.7 MWh or (12861 kWh×10000 cycles×90% efficiency) = 115.7 MWh
Note:Information subject to change without notice.

Inverter Downloads

SKU:K0253, K0253, K0254, K0255, K0256
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
Monitoring System Guide:DownloadDOWNLOAD
Monitoring Adapter Installation Guide:DownloadDOWNLOAD
UL1741 Certificate:DownloadDOWNLOAD
Warranty:DownloadDOWNLOAD
CEC Listing – BigBattery ETHOS + 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:37.5A @ 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)
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)
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