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EG4

EG4 280Ah All Weather + 18kPV (ESS)

EG4 280Ah All Weather + 18kPV (ESS)

Regular price $8,565.00 USD
Regular price Sale price $8,565.00 USD
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EG4 Wallmount All Weather Battery & 18kPV Hybrid Inverter (ESS) | 14.3–85.8kWh | UL9540 | Grid-Tied Home Solar System (18kW-54kW PV)

Product Summary:

The EG4 280Ah All-Weather Battery + EG4 18kPV ESS System is a complete, high-capacity energy solution designed for both on-grid and off-grid applications. Combining the rugged 14.3kWh EG4 All-Weather LiFePO₄ battery with the powerful EG4 18kPV hybrid inverter, this system delivers reliable, efficient, and intelligent energy management for residential and commercial use.

The 18kPV inverter provides up to 12,000W continuous output with 18,000W PV input and 3 MPPTs, enabling maximum solar production and seamless power management between solar, battery, and grid. Paired with the durable All-Weather battery – featuring 200A continuous output, 8,000+ cycle life, integrated self-heating, and advanced safety protections – this system is built for performance in demanding environments.

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 All-Weather Battery + EG4 18kPV 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
  • 18,000W PV Input / 12,000W Output – High-capacity power for residential and commercial systems
  • 3 MPPT Inputs – Maximizes solar production across multiple arrays
  • 14.3kWh LiFePO₄ Battery – Durable, high-capacity energy storage
  • 200A Continuous Output – Supports high-demand loads and appliances
  • 8,000+ Cycle Life – Long-lasting performance at 80% DoD
  • All-Weather Design – Built for reliable indoor and outdoor operation
  • Integrated Self-Heating – Reliable performance in cold climates
  • Advanced BMS & Safety Protections – Includes EMP protection, fire safety features, and system safeguards
  • UPS Backup (15–30ms) – Seamless transition during outages
  • Smart Energy Management – Supports peak shaving, load control, and grid interaction
  • Remote Monitoring & Control – Real-time system tracking and performance insights
  • Maintenance-Free Operation – No routine servicing required

A powerful, all-in-one energy storage system built for reliability, flexibility, and long-term energy independence.

Items Included-Quantity depend on Your ESS Configuration

EG4 WallMount 280Ah All Weather | 48V - 14.3kWh | UL1973 | Home Battery Backup LFP
EG4 All Weather Conduit Box
EG4 18kPV All-in-One Hybrid Solar Inverter | 18kW PV / 12kW AC | Split-Phase | 4-MPPT | Scalable | Remote Wi-Fi Monitoring
Downloads & Specifications

Battery Specifications

Nominal Voltage:51.2V

Chemistry:Lithium Iron Phosphate (LiFePO4)

kWh Capacity:14.3kWh

Ah Capacity:280Ah

BMS Charging Voltage (Bulk/Absorb):56.0V (±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 Current:140A

Max. Continuous Discharge Current:140A (200A Max. Continuous for 30 min)

Rec. Charge Current:60 – 140A

Rec. Discharge Current:60 – 140A

Max Continuous Discharge Rate:10,240W

Voltage:56V

Power Consumption:224W

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

Charging Temperature Range:32ºF – 122ºF (0ºC – 50ºC)

Discharging Temperature Range:-4ºF – 131ºF (-20ºC – 55ºC)

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

Operating Altitude:<16,404 ft (<5,000 m)

Protection Rating:IP65

Communications:RS485 | CANBus

Weight:308.6 lbs (140 kg)

Depth:9.1 in (232 mm)

Width:22.3 in (566 mm)

Height:36.1 in (916 mm)

EG4 18kPV All-in-One Hybrid Solar Inverter

Downloads & Specifications

Inverter Specifications

AC Voltage:120V AC / 240V AC

AC Frequency:50 Hz / 60 Hz

Nominal Voltage:51.2V

Max. Continuous AC Current:50A @ 240V AC

Max. AC Input Power:12000W

Max. AC Bypass:200A

Operating Voltage Range:180 – 270V AC

Output Voltage:120V AC / 240V AC

Max. Continuous Output Current:50A

Output Power:12000W

BMS Cutoff Range:42 – 47V

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)

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

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%

Idle Consumption:~70W (Normal) / ~18W (Standby Mode)

Nominal Voltage:48V DC

Voltage Range:40 – 60V DC

Max. Charge / Discharge Current:250A

Recc. Battery Capacity per Inverter:>200 Ah

Operating / Storage Temperature Range:-13ºF – 140ºF (-25ºC – 60ºC)

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

Weight:121 lbs (55 kg)

Depth:11.2 in (285 mm)

Width:20.5 in (520 mm)

Height:34.3 in (871 mm)

Battery Downloads

SKU#:K0756
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
UL9540A Certificate:DownloadDOWNLOAD
UL1973 Certificate:DownloadDOWNLOAD
Quick Start Guide:DownloadDOWNLOAD
CEC Listing- EG4 WallMount All Weather:Go to linkGO TO LINK

Inverter Downloads

SKU#:K0756
Spec Sheet:DownloadDOWNLOAD
User Manual:DownloadDOWNLOAD
UL 1741 Certificate:DownloadDOWNLOAD
UL 1741 CRD PCS Test Verification Of Conformity Security:DownloadDOWNLOAD
Rapid Shut Down Wiring Guide:DownloadDOWNLOAD
Whitepapers, Firmware, & Wiring Diagrams:Go to linkGO TO LINK
CEC Listing – EG4 18kPv:Go to linkGO TO LINK

 

Warranty

EG4 18kPV Inverter: 10-Year EG4 Manufacturer Warranty

EG4 All Weather Battery: 10-Year EG4 Manufacturer Warranty

For more information, please visit our policy page

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