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EG4 48V 314Ah WallMount All-Weather LiFePO4 Battery + 18kPV All-in-One Hybrid Solar Inverter
by EG4

EG4 48V 314Ah WallMount All-Weather LiFePO4 Battery + 18kPV All-in-One Hybrid Solar Inverter

SKU: K0298
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Bundle Options: 1 x 314Ah WallMount All-Weather Battery + 18kPV All-in-One Hybrid Solar Inverter

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EG4 48V 314Ah WallMount All-Weather LiFePO4 Battery + 18kPV All-in-One Hybrid Solar Inverter

EG4 48V 314Ah WallMount All-Weather LiFePO4 Battery + 18kPV All-in-One Hybrid Solar Inverter

The EG4 314Ah All-Weather Battery + EG4 18kPV ESS System is a high-capacity, rugged energy solution designed for both on-grid and off-grid applications. Combining the 16kWh EG4 WallMount All-Weather LiFePO₄ battery with the powerful EG4 18kPV hybrid inverter, this system delivers reliable, scalable energy for residential, commercial, and backup power needs.

The EG4 18kPV provides up to 12,000W split-phase output at 240V with 18,000W of maximum utilized solar power, a recommended maximum solar input of 21,000W, and three MPPTs. This enables strong solar production and seamless power management between solar, battery, generator, and the utility grid. Paired with the 314Ah All-Weather battery—featuring 200A continuous output, 8,000+ cycle life, and a next-generation smart BMS with active cell balancing—this system ensures stable, efficient energy delivery over the long term.

Built for outdoor installations, the battery features a durable IP67-rated enclosure, integrated self-heating for cold climates, and Bluetooth + Wi-Fi connectivity for real-time monitoring and OTA updates. The outdoor-rated EG4 18kPV adds a 200A AC bypass, closed-loop battery communication, and support for up to 10 inverters in parallel, delivering advanced performance with flexible scalability.

Compatibility

Integrated & Optimized System:

  • EG4 314Ah All-Weather Battery + EG4 18kPV Hybrid Inverter

Expandable & Flexible:

  • Compatible with existing EG4 280Ah form factor systems
  • Scalable energy storage for growing system needs
  • Supports grid-tied, hybrid, and off-grid installations
  • Supports up to 10 EG4 18kPV inverters in parallel

Key Features

  • Complete ESS Solution – Battery and inverter system designed to work seamlessly together
  • 12,000W Split-Phase Output – Delivers 12,000W at 240V or 10,400W at 208V
  • 18,000W Utilized Solar Power – Supports up to 21,000W of recommended solar input across three MPPTs
  • 200A AC Bypass – Supports large household loads and whole-home backup configurations
  • 16kWh LiFePO₄ Battery (314Ah) – High-capacity, durable energy storage
  • 200A Continuous Battery Output – Supports high-demand loads
  • IP67 Outdoor-Rated Battery – Built to withstand dust, water, and harsh environments
  • 8,000+ Cycle Life – Long-lasting performance at 80% DoD
  • Advanced Smart BMS – Active cell balancing for improved efficiency and lifespan
  • Self-Heating Function – Reliable battery operation in cold climates
  • Bluetooth & Wi-Fi Monitoring – Real-time battery tracking and OTA firmware updates
  • Closed-Loop Communication – Seamless coordination between the EG4 battery and inverter
  • Three MPPT Inputs – Independent solar tracking improves array flexibility and production
  • Outdoor-Rated Inverter – NEMA 4X construction supports protected outdoor installations
  • Maintenance-Free Operation – No routine servicing required

A high-capacity, all-weather energy storage system built for durability, flexibility, and long-term energy independence.

Specifications:

EG4 48V 314Ah AllWeather WallMount LiFePO4 Battery
Product Type LFP Battery
Battery Type Lithium Iron Phosphate (LFP)
Nominal Energy Capacity 16 kWh
Usable Energy (DOD) 12.86 kWh (80% recommended)
Voltage Range 47.5 – 57.6 VDC
Nominal Voltage 51.2 VDC
Capacity 314 Ah
Charging Voltage Range 56 – 57 VDC
Discharging Cut-off Voltage 47.5 VDC
Max Continuous Charge Current 157 A
Max Continuous Discharge Current 200 A
Continuous Charge/Discharge Power 8 / 10.2 kW
Recommended Charge/Discharge Rate 0.5C
Peak Power 12.8 kW (3 sec)
Round-trip Efficiency 95%
Max Parallel Units 32
Protection Over/Under Voltage, Over-Current,
Short Circuit, High/Low Temp
BMS Integrated, Active Balancing
Communication Protocols RS485, CAN
Battery Breaker 250 A
Storage Temperature -4 – 131°F
Humidity Range 5% – 95% RH (non-condensing)
Altitude 9843 ft. (<3000 m)
Cooling Method Natural Convection
Dimensions (H × W × D) 34.6 × 21.7 × 9.3 in
Operating Temperature Range Charge: 32–122°F
Discharging: -4–131°F
Recommended DOD Setting EG4 recommends this value be set
no lower than 20% to maintain the
recommended 80% Depth of Discharge.
Storage Temperature Less than 3 months of storage.
If longer than 3 months, recommended
storage temperature will be 59–86°F
Weight 309 lbs
Enclosure Rating IP67
Mounting Options Wall attached / Floor mount
Display / Indicators LED Status
Connector Type Degson quick connector / screw terminal
UL 1973 Pending
UL 9540 Pending
UL 9540A Pending
UN 38.3 Pending
Cycle Life (70% EOL Capacity) 10,000 cycles @ 0.5C, 25°C, 80% DOD
Design Life 15 years
Application Type Residential / Commercial / Off-grid / Backup
Lifetime Energy Throughput 122.2 MWh
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 314Ah WallMount All-Weather LiFePO4 Battery + 18kPV All-in-One Hybrid Solar Inverter

EG4 48V 314Ah AllWeather WallMount LiFePO4 Battery

x 1

EG4 All Weather Conduit Box

x 1

EG4 18kPV 12000W 48V Split Phase Hybrid Inverter

x 1

Product Documents:

EG4 48V 314Ah All Weather WallMount LiFePO4 Battery User Manual

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EG4 48V 314Ah All Weather WallMount LiFePO4 Battery Specification Sheet

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EG4 48V 314Ah All Weather WallMount LiFePO4 Battery Certification Of Compliance

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EG4 48V 314Ah All Weather WallMount LiFePO4 Battery UL Certification

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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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