Product Summary:
The EG4 280Ah Indoor Battery + EG4 12kPV ESS System is a powerful, all-in-one energy solution designed for both on-grid and off-grid applications. Combining the 14.3kWh EG4 WallMount Indoor LiFePO₄ battery with the efficient EG4 12kPV hybrid inverter, this system delivers reliable, intelligent energy management for residential and small commercial use.
The 12kPV inverter provides up to 8,000W output with 12,000W PV input and dual MPPTs, enabling efficient solar production and seamless power management between solar, battery, and grid. Paired with the indoor WallMount battery – featuring 8,000+ cycle life, advanced BMS protection, self-heating, and emergency stop capability – this system ensures safe, long-lasting performance.
Designed with UL 9540 certified configurations, advanced battery management, and U.S.-engineered components, this system ensures safe, maintenance-free performance with seamless closed-loop communication between battery and inverter.
Ships From: Texas, USA
Warranty: 10 Years (Battery), 10 Years (Inverter)
Support: Lifetime USA-Based Tech Support
Compatibility
Integrated & Optimized System:
- EG4 280Ah Indoor Battery + EG4 12kPV Hybrid Inverter
Expandable & Flexible:
- Add additional batteries for increased storage capacity
- Supports grid-tied, hybrid, and off-grid installations
- Compatible with solar + generator input configurations
Key Features
- Complete ESS Solution – Battery + inverter system designed to work seamlessly together
- 12,000W PV Input / 8,000W Output – Efficient power for residential systems
- Dual MPPT Inputs – Optimizes solar generation across multiple arrays
- 14.3kWh LiFePO₄ Battery – Safe, high-capacity indoor energy storage
- 8,000+ Cycle Life – Long-lasting performance at 80% DoD
- Advanced BMS & Safety Features – Includes real-time monitoring, self-heating, and E-Stop
- Closed-Loop Communication – Seamless coordination between battery and inverter
- UPS Backup (~20ms) – Fast, seamless transition during outages
- Smart Energy Management – Supports peak shaving and load control
- Remote Monitoring & Control – Real-time system tracking and performance insights
- Wall-Mount Indoor Design – Clean, space-saving installation
- Maintenance-Free Operation – No routine servicing required
A reliable, space-efficient energy storage system built for performance, flexibility, and long-term energy independence.
EG4 Wallmount 280Ah Indoor Battery & 12kPV Hybrid Inverter (ESS) | 14.3-57.2kWh | UL9540 | Grid-Tied Home Solar System (12kW-24kW PV)
$7,275.00
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 ESS Configuration*
1x Inverter
Standard
2x Inverter
Large
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Battery Downloads
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GO TO LINKBattery 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
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
.
See More On YouTube
Battery Downloads
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
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
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