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EG4 48V WallMount Indoor Battery (28.6kWh-42.9kWh) + 12000XP 12,000W 48V Split Phase Off-Grid Inverter
by EG4

EG4 48V WallMount Indoor Battery (28.6kWh-42.9kWh) + 12000XP 12,000W 48V Split Phase Off-Grid Inverter

SKU: K0132
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$11,992.83
$11,992.83 - $16,474.05
$11,992.83
$9,594.26
$9,594.26 - $13,179.24
$9,594.26
Availability:
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Availability:
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Bundle Options: EG4 28.6kWh WallMount Battery + 12000W Inverter

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5-Year Warranty

Off Grid Stores is an authorized retailer of EG4 products. Because of this, we pass on EG4's manufacturer warranty to you.

Product Highlights

Suitable For

  • RESIDENTIAL POWER SYSTEMS
  • HOME SOLAR SYSTEMS
  • CABINS & TINY HOMES
  • FAMILY HOMES & MANSIONS
  • OFF-GRID HOMESTEADS
  • EMERGENCY POWER
  • WHOLE HOME BACKUP
  • COMMERCIAL SYSTEMS
  • WHOLE OFFICE BACKUP
  • LEAD ACID REPLACEMENT

Features

  • WALL-MOUNTABLE DESIGN
  • AUTOMATIC SELF-HEATING
  • TOUCH SCREEN LCD DISPLAY
  • PASSIVE CELL BALANCING
  • INTEGRATED 600A BUSBARS
  • DUAL INTERNAL FIRE ARRESTORS
  • EMERGENCY DISCONNECT FUNCTION
  • ZERO MAINTENANCE REQUIRED
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EG4 48V WallMount Indoor Battery (28.6kWh-42.9kWh) + 12000XP 12,000W 48V Split Phase Off-Grid Inverter

EG4 48V WallMount Indoor Battery (28.6kWh-42.9kWh) + 12000XP 12,000W 48V Split Phase Off-Grid Inverter


The EG4 ESS WallMount-12000XP system offers a robust and scalable energy storage solution tailored for both residential and commercial applications. With a total capacity of 42.9kWh and a 12kVA output, this setup ensures reliable power supply, catering to high-demand energy needs and providing peace of mind during outages or peak usage times.

Central to this system are three 48V 14.3kWh EG4 WallMount Indoor batteries. These batteries utilize LiFePO₄ cells, renowned for their safety and longevity, delivering over 8,000 cycles at 80% depth of discharge. Each battery is housed in a durable, IP20-rated enclosure and features an intelligent Battery Management System (BMS) that continuously monitors voltage, current, and temperature in real time. Additional features include passive cell balancing, a self-heating function for cold environments, dual fire extinguishers for enhanced safety, and an emergency stop function for rapid shutdowns. An integrated LCD touchscreen provides users with real-time system status updates, ensuring optimal performance and user-friendly operation.

Complementing the battery array is an EG4 12kW (24kPV) off-grid inverter. This inverter supports up to 24kW of photovoltaic input, allowing for efficient solar energy utilization. It offers seamless transitions between grid and battery power, smart load control, AC coupling capabilities, and peak shaving functions to optimize energy consumption. With a continuous output of 12kW, this unit ensures consistent and efficient power delivery. Its design also includes compatibility with various communication protocols, facilitating integration with other system components.

This comprehensive energy storage solution—comprising three EG4 WallMount Indoor batteries and one EG4 12kW (24kPV) off-grid inverter—is certified to meet UL9540, UL9540A, and UL1973 standards, ensuring safety and reliability. With a 12-year battery warranty, this system is an ideal choice for those seeking to enhance energy independence, reduce electricity costs, and ensure uninterrupted power supply.

Specifications:

EG4 48V 14.3kWh WallMount Indoor Battery
System Voltage 48V
Nominal Voltage 51.2V
Chemistry LiFePO4
kWh Capacity 14.3kWh
Ah Capacity 280Ah
BMS Charging Voltage (Bulk/Absorb) 56V (±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/Discharge Current 200A
Rec. Charge Current 60 – 160A
Rec. Discharge Current 160A
Max Continuous Discharge Rate 10240W
HEATER
Voltage 56V
Power Consumption 224W
Internal Temperature Cutoffs ≤32ºF (On) | ≥41ºF (Off)
OPERATING ENVIRONMENT
Charging Temperature Range 32ºF – 113ºF
Discharging Temperature Range -4ºF – 122ºF
Storage Temperature Range -4ºF – 122ºF
Protection Rating IP20
Communications RS485 | CANBus
DIMENSIONS
Weight 282.2 lbs
Depth 9.6 in
Width 18.1 in
Height 36.4 in
EG4 12000XP 12,000W 48V Split Phase Off-Grid Inverter
AC INPUT
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
AC OUTPUT
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)
PV INPUT
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)
Max. 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
BATTERY
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
OPERATING ENVIRONMENT
Max. Parallel Connections 6
Protection Rating IP20
Communication Interface RS485 / CANBus / WiFi
Operating Temperature (Full Load) 32ºF – 113ºF
Storage Temperature 5ºF – 140ºF
Altitude <6,561 ft (2000 m)
Relative Humidity (Non-Condensing) 5 – 95%
Typical Noise Emission <60 dB
Cooling Method Fan
DIMENSIONS
Weight 104.7 lbs
Depth 5.9 in
Width 20.9 in
Height 34.25 in

PACKAGE INCLUDES

EG4 48V 28.6kWh WallMount Indoor Battery + 12000XP Off-Grid Inverter

EG4 48V 14.3kWh WallMount Indoor Battery

x 2

EG4 Indoor Buildable Conduit Box

x 2

EG4 PowerPro Parallel Cable Kit

x 1

EG4 12000XP 12,000W 48V Split Phase Off-Grid Inverter

x 1

Product Documents:

EG4 48V 14.3kWh WallMount Indoor Battery User Manual

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EG4 48V 14.3kWh WallMount Indoor Battery User Manual

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EG4 12000XP 12,000W 48V Split Phase Off-Grid Inverter User Manual

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EG4 12000XP 12,000W 48V Split Phase Off-Grid Inverter Specification Sheet

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