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EG4 48V WallMount Indoor LiFePO4 Battery (14.3kWh-57.3kWh) + 18kPV 12000W 48V Split Phase Hybrid Inverter
by EG4

EG4 48V WallMount Indoor LiFePO4 Battery (14.3kWh-57.3kWh) + 18kPV 12000W 48V Split Phase Hybrid Inverter

SKU: K0112
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$10,397.49
$10,397.49 - $29,963.66
$10,397.49
$8,317.99
$8,317.99 - $23,970.93
$8,317.99
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Bundle Options: 1 x Indoor Battery + 18kPV Inverter

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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
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  • 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 LiFePO4 Battery (14.3kWh-57.3kWh) + 18kPV 12000W 48V Split Phase Hybrid Inverter

EG4 48V WallMount Indoor LiFePO4 Battery (14.3kWh-57.3kWh) + 18kPV 12000W 48V Split Phase Hybrid Inverter

Introducing the EG4 ESS WallMount-12kPV, a versatile and high-performance energy storage system designed to meet the needs of both residential and commercial applications. This configuration combines a 48V 14.3kWh WallMount Indoor Battery with a 12kVA hybrid inverter, delivering reliable power, seamless integration, and advanced safety features.

At the core of this system is the 48V 14.3kWh WallMount Indoor Battery, constructed with LiFePO₄ cells—the safest lithium chemistry available. It boasts a lifespan of over 8,000 cycles at 80% depth of discharge, equating to 82.6MWh of lifetime energy production. The battery’s IP20-rated enclosure houses an intelligent Battery Management System (BMS) that continuously monitors voltage, current, and temperature in real-time. Features such as passive cell balancing, an automatic self-heating function, dual fire extinguishers, and an emergency stop function ensure optimal performance and safety. An integrated LCD touchscreen display provides real-time system status updates.

Complementing the battery is the EG4 12kPV Hybrid Inverter, capable of handling up to 12kW of photovoltaic input. This inverter facilitates seamless transitions between grid and battery power, ensuring uninterrupted energy supply. Its design supports efficient energy management, making it suitable for various applications.

The EG4 ESS WallMount-12kPV 14.3kWh 12kVA system is UL-certified, ensuring compliance with stringent safety and performance standards. With a 12-year warranty applied to BigBattery batteries, this system offers a reliable and efficient solution for those seeking energy independence and protection against power outages.

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 18kPV 12000W 48V Split Phase Hybrid Inverter
AC INPUT
C Voltage 120V AC / 240V AC
AC Frequency 50 Hz / 60 Hz
Max. Continuous AC Current 50A @ 240V AC
Max. AC Input Power 12000W
Max. AC Bypass 200A
AC GRID OUTPUT
Operating Voltage Range 180 - 270V AC
Output Voltage 120V AC / 240V AC
Max. Continuous Output Current 50A
Output Frequency 50 Hz / 60 Hz
Output Power 12000W
Surge Capacity (with PV) 14700W (10 min) / 15500W (5 min)
Surge Capacity (without PV) 13500W (10 min)
Max. Continuous Line Wattage 6000W
Power Factor 0.99 (Full Load)
Reactive Power Adjustment Range -0.8 ~ 0.8 Leading Adjustable
Total Harmonic Distortion <5% (Full Load)
Transfer Time 10 - 20 ms (Single) / 20 ms (Parallel)
AC BACKUP / UPS OUTPUT
Max. Continuous Output Current 50A
AC Bypass (Generator) 90A
Output Voltage 120V AC / 240V AC
Output Power 12000W
Max. Continuous Line Wattage 8000W (per 120V)
Operating Voltage Range 180 - 270V AC
Output Frequency 50 Hz / 60 Hz
Max. Output Power (with PV) 14700W (10 min) / 15500W (5 min)
Max. Output Power (without PV) 13500W (10 min)
Total Harmonic Distortion Voltage <5%
Switching Time 10 ms
PV INPUT
No. of MPPTs: 3
Inputs per MPPT: 2 (MPPT 1) / 1 (MPPT 2 & 3)
Max. Input Current: 25A (MPPT 1) / 15A (MPPT 2 & 3)
Max. Short Circuit Input Current 31A (MPPT 1) / 19A (MPPT 2 & 3)
DC Input Voltage Range 100 - 600V DC
Start Up Voltage 100V DC
MPPT Operating Voltage Range 140 - 500V DC
MPPT Voltage 360V DC
Max. PV Array Power 18000W
Max. Efficiency 94 - 99.9%
BATTERY
Nominal Voltage 48V DC
Voltage Range 40 - 60V DC
Max. Charge / Discharge Current 250A
Recc. Battery Capacity per Inverter >200 Ah
OPERATING ENVIRONMENT
Operating / Storage Temperature Range -13ºF - 140ºF
Altitude <6,561 ft (2000 m)
Relative Humidity 0 - 100%
Typical Noise Emission 68 dB @ 3 ft
Protection Rating IP65 / NEMA 4X
Communications RS485 / CANBus / WiFi
Max. Parallel Connections 10
DIMENSIONS
Weight 121 lbs
Depth 11.2 in
Width 20.5 in
Height 34.3 in

PACKAGE INCLUDES

EG4 48V 14.3kWh WallMount Indoor LiFePO4 Battery + 18kPV Hybrid Inverter

EG4 48V 14.3kWh WallMount Indoor Battery

x 1

Mounting Bracket

x 1

Concrete Expansion Bolts

x 6

Red & Black Battery to Inverter Power Cables (3.3 FT)

x 2

Battery to Inverter Comm Cable (5 FT)

x 1

EG4 Indoor Buildable Conduit Box

x 1

EG4 18kPV 12000W 48V Split Phase Hybrid 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 18kPV 12000W 48V Split Phase Hybrid Inverter User Manual

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EG4 18kPV 12000W 48V Split Phase Hybrid Inverter Specification Sheet

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