EG4 Wallmount 280Ah Indoor Battery & 12kPV Hybrid Inverter (ESS) | 14.3-57.2kWh | UL9540 | Grid-Tied Home Solar System (12kW-24kW PV)

EG4 Wallmount 280Ah Indoor Battery & 12kPV Hybrid Inverter (ESS) | 14.3-57.2kWh | UL9540 | Grid-Tied Home Solar System (12kW-24kW PV) - Image 2

Product Summary:

The EG4 energy storage kit combines the 8K Hybrid Inverter and 14.3kWh WallMount Battery for a powerful grid-tied or off-grid solution. Delivering 8,000W output and 12,000W PV input, it offers reliable backup power, efficient solar integration, and cost-saving energy management. With LiFePO₄ storage, 8,000+ cycles, self-heating, emergency stop, and RS485/CANBus support, the WallMount ensures safe, long-lasting performance. Dual MPPTs, 20ms UPS transfer, smart load control, and remote monitoring make this kit ideal for homes and small businesses seeking dependable energy independence.

EG4 Wallmount 280Ah Indoor Battery & 12kPV Hybrid Inverter (ESS) | 14.3-57.2kWh | UL9540 | Grid-Tied Home Solar System (12kW-24kW PV)

$6,725.00

SKU# K0110

Battery Selected

1× EG4 280Ah Indoor

Total Capacity

14.3 kWh

Inverter Selected

1× EG4 12kPV

Input / Output

12 kW / 8 kW

Choose Your Inverter Option*

EG4 12kPV EG4 18kPV EG4 FlexBOSS18 EG4 FlexBOSS21 None

Choose Your Battery Option*

EG4 280Ah All Weather EG4 280Ah Indoor None

Choose Your Inverter Option*

EG4 6000XP EG4 12000XP VICTRON MP II 3000 VICTRON MP II 5000

Choose Your Battery Option*

BigBattery NEXUS BigBattery ETHOS BigBattery HUSKY2 INV EG4 280Ah All Weather EG4 280Ah Indoor

Choose Your ESS Configuration*

1x Inverter

Standard

2x Inverter

Large

SKU: K0110-V Categories: UL Grid-Tied, Off-Grid

Battery QTY

Inverter QTY

Clear

Compatible Accessories & Additional Add-ons

EG4 GridBOSS 200A MID

+ $1,798.11 ~~$2,399.95~~

Simple System Expansion
EG4 12kpv + Indoor ESS

EG4 12kpv + Indoor ESS
Power that never sleeps at night

See More On YouTube

Battery Downloads

SKU#: K0110

Spec Sheet:

Quick Start Guide:

UL9540A Certificate:

UL1973 Certificate:

Connection Guide:

Monitoring & Settings Guide:

DOWNLOAD

Maintenance Guide:

DOWNLOAD

Firmware Update Guide:

DOWNLOAD

CEC Listing- EG4 WallMount Indoor:

GO TO LINK

Battery Specifications

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

Voltage:56V

Power Consumption:224W

Internal Temperature Cutoffs:≤32ºF (On) | ≥41ºF (Off)

Charging Temperature Range:32ºF – 113ºF (0ºC – 45ºC)

Discharging Temperature Range:-4ºF – 122ºF (-20ºC – 50ºC)

Storage Temperature Range:-4ºF – 122ºF (-20ºC – 50ºC)

Protection Rating:IP20

Communications:RS485 | CANBus

Weight:282.2 lbs (128 kg)

Depth:9.6 in (245 mm)

Width:18.1 in (460 mm)

Height:36.4 in (925 mm)

Inverter Downloads

SKU#: K0110

Spec Sheet:

DOWNLOAD

User Manual:

DOWNLOAD

Troubleshoot Maintenance Guide:

DOWNLOAD

UL1741 – Certificate of Compliance:

DOWNLOAD

UL1741 PCS CRD – Certificate of Conformity:

DOWNLOAD

CEC Listing- EG4 12kPv:

GO TO LINK

Inverter Specifications

Nominal AC Voltage:120/240VAC; 120/208VAC (L1/L2/N required)

Frequency:50/60Hz

Max. AC Input Power:8000W

Min. Generator Size:>5000W

Max. Gen | Grid Passthrough Current:80A | 80A

Max. Output Current:33.3A @ 240VAC | 38.5A @ 208VAC

Output Voltage:120/240VAC; 120/208VAC

Nominal Power Output:8000W

Output Frequency:50/60Hz

Power Factor:0.99 @ Full Load

Reactive Power Adjust Range:±0.8

Max Cont. Line Wattage:4000W

Peak Power:0.5 s / 1 s / 1 min / 12 min: 16kW / 12kW / 10kW / 8.8kW

Operating Frequency:50/60Hz

THD (V) @ Full Load:<3%

Transfer Time:Single: 20 ms – Default, 10 ms – Selectable; Parallel: 20 ms

Number of MPPTs:2

Inputs per MPPT:2

Max. Usable Input Current:25/25A; 25A per MPPT | 41.6A in total

Max. Short Circuit Input Current:31/31A

DC Input Voltage Range*:100–600 VDC

Unit Startup Voltage:100 VDC

MPPT Operating Voltage Range**:120–500 VDC

Nominal MPPT Voltage:360 VDC

MPPT Voltage High Protection***:550 VDC

Maximum Utilized Solar Power:12000W

Recommended Maximum Solar Input:15000W

Maximum Efficiency (PV → Grid):97.5%

Maximum Efficiency (Battery → Grid):94%

CEC Weighted Efficiency:96.4%

Maximum Efficiency (PV → Battery):99.9%

Idle Consumption (Standby Mode):<55W

Compatible Battery Types:Lead-Acid / Lithium

Max. Charge/Discharge Current:167A @ 48 VDC

Nominal Voltage:48 VDC

Voltage Range:40–60 VDC (Lithium); 40–60 VDC (Lead-Acid)

Recommended Battery Capacity per Inverter:>200Ah

Max. Units in Parallel:10

Product Dimensions (H×W×D):29.5×20.5×11.2 in (750×520×285 mm)

Unit Weight:110 lbs. (50 kg)

Design Topology:High Frequency – Transformerless

Relative Humidity:0–100%

Operating Altitude:<2000m (<6561 ft)

Operating Ambient Temperature Range:-13°F – 140°F (-25°C – 60°C)

Storage Ambient Temperature Range:-13°F – 140°F (-25°C – 60°C)

Noise Emission (Typical):<50 dB @ 3 ft

Locked Rotor Amps (LRA):195A

Communication Interface:RS485/Wi-Fi/CAN

Standard Warranty**:10-year standard warranty

Enclosure Rating:NEMA 4X

Protections:PV Arc Fault Protection, PV Ground Fault Protection, PV Reverse Polarity Protection, Pole Sensitive Leakage Current Monitoring Unit, Surge Protection Device, integrated PV disconnect

Compare Battery & Inverter

12kPV Inverter: 10-Year EG4 Manufacturer Warranty
WallMount Indoor Battery: 10-Year EG4 Manufacturer Warranty