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Sol-Ark 15kW Ultimate EG4 + SunGold Power Solar Kit

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$18,103.61

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Sol-Ark 15kW Ultimate EG4 + SunGold Power Solar Kit 

The Sol-Ark 15kW Ultimate EG4 + SunGold Power Solar Kit is a premium whole-home backup and off-grid energy solution designed for maximum efficiency, durability, and expandability. With a powerful Sol-Ark hybrid inverter, scalable EG4 lithium battery systems, and high-output SunGold Power solar panels, this kit ensures reliable energy storage and delivery for homes, businesses, and remote installations. Engineered to provide uninterrupted power during outages and support long-term renewable energy independence, it’s the ideal choice for anyone seeking a high-capacity, future-proof energy solution.


Sol-Ark 15kW Ultimate EG4 + SunGold Power Solar Kit Features

All-in-One Hybrid Inverter – The Sol-Ark 15kW inverter combines solar, battery, and grid inputs in one streamlined system for simplified installation and efficient energy management.

Advanced Energy Storage – Includes six EG4 LL-S 48V 100Ah server rack batteries plus EG4 WallMount and PowerPro options for flexible, scalable storage solutions.

Seamless Communication – The EG4 LiFePOWER4 Communications Hub ensures smooth system monitoring and control between inverter and batteries.

High-Efficiency Solar Power – Equipped with 18 SunGold Power 415W mono black PERC panels, providing 7.47kW of clean, renewable solar energy.

All-Weather Battery Option – The EG4 PowerPro WallMount battery is designed for outdoor durability, ensuring reliable performance in varied climates.

Expandable & Future-Proof – Modular battery configurations and scalable solar input allow the system to grow with your energy needs.


Sol-Ark 15kW Ultimate EG4 + SunGold Power Solar Kit Applications

  • Whole-home backup – Power an entire home during outages with uninterrupted energy supply.
  • Off-grid independence – Perfect for cabins, rural properties, or remote sites with no grid connection.
  • Business continuity – Keeps small businesses, farms, or workshops running smoothly during power failures.
  • Scalable design – Battery and solar options can be expanded to match growing power needs.
  • Renewable integration – High-output solar panels ensure maximum energy harvesting for sustainable living.
  • All-weather reliability – Built with components like the EG4 PowerPro for dependable performance in harsh conditions.

What’s Included?

  • 1 × Sol-Ark 15kW All-In-One Hybrid Inverter

  • 1 × EG4 LiFePOWER4 Communications Hub

  • 6 × EG4 LL-S 48V 100Ah Server Rack Batteries

  • 1 x EG4 WallMount Indoor Battery 280AH | 51.2V | Indoor | Heated UL1973, UL9540A 

  • 1 x EG4 PowerPro WallMount AllWeather Lithium Battery | 48V 280Ah 

  • 18 × Sungold Power 415W Mono Black PERC Solar Panels


SOL-ARK 15K-2P Hybrid Inverter Specifications

Specification Details
Dimensions (H x W x D) 807 x 494 x 306 mm (31.8 x 19.4 x 12 in)
Weight 61.2 Kg / 135 lb.
Enclosure IP65 / NEMA 3R
Ambient Temperature -25~55°C, > 45°C Derating
Noise < 30 dB @ 25°C (77°F)
Idle consumption - No Load 90W
Communication and Monitoring Wi-Fi & LAN Hardware Included
Standard Warranty 10 Years

EG4 LL-S Lithium Battery Specifications

Specifications Details
Cell Balance 120mA | Passive Balance | Cell Voltage Difference >40mV
Temperature Accuracy 3% | Cycle Measurement | Measuring Range: 40°F ‒ 212°F (-4°C ‒ 100°C)
Voltage Accuracy 0.5% | Cycle Measurement | For Cells/Module
Current Accuracy 3% | Cycle Measurement | Measurement Range: +/-200A
SOC 5% | Integral Calculation
Power Consumption Sleep & Off Mode | <300uA | Storage/Transport/ Standby
Power Consumption Operating Mode | <25mA | Charging/Discharging
Communication Ports RS485/CAN | Customizable
Maximum Modules in Series 1
Maximum Modules in Parallel 64
Dimensions (H×W×D) 6.1in×19in×17.4in (15.5cm×48.2cm×44.2cm)
Weight 99.6 lbs. (45.2 kg)
Module ETL Listed to UL Standard 9540A:2019
Cell UL:1973

EG4 WallMount Indoor Battery 280AH | 51.2V Specifications

Specifications Details
Communication Ports RS485/CAN Can be customized
Cycle Life >8000 Cycles, 80% Depth of Discharge (DOD)
Design Life Over 15 Years
Weight 282.2 lbs. (128 kg)
Safety Certifications UL1973, UL 9540A (Testing)

EG4 PowerPro WallMount All-Weather Lithium Battery Specifications

Specification Details
Battery Type LiFePO4 (Lithium Iron Phosphate, Grade A)
Voltage 48V (Nominal: 51.2V, Float: 54V)
Continuous Charge/Discharge Current 200A (Max)
Capacity 14.3kWh
BMS 200A
Weight 308.6 lbs. / 140Kg

SunGold Power 415W Mono Black PERC Panel Specifications

Category Specification
Peak Power (Pmax) 415W
Production Tolerance ±3%
Maximum Power Current (Imp) 13.13 A
Maximum Power Voltage (Vmp) 31.6V
Short Circuit Current (Isc) 14.02A
Open Circuit Voltage (Voc) 37.50V
Maximum System Voltage 1500V
Wind Resistance 2400Pa
Output Cables 12 AWG (1 ft per cable)
Number of Cells 108(6*18)
Cell Type Mono 182*91mm
Certifications UL 61730 CE TUV
Product Weight 45.8lbs
Product Dimension 67.8*44.6*1.4inch
Package Weight 100.5lbs(2PCS)

Frequently-Asked Questions

Can I expand the system later?
Yes, both the inverter and battery setup are expandable, allowing you to add more batteries or solar panels as your power needs grow.

Is this system grid-tied or off-grid?
It can operate as a grid-tied, hybrid, or fully off-grid system, making it versatile for different applications.

Does it work during power outages?
Yes, the Sol-Ark 15kW inverter provides seamless backup power with automatic switchover.

Can it handle outdoor installation?
Yes, the EG4 PowerPro battery is built for all-weather outdoor use, while the WallMount Indoor battery is designed for climate-controlled environments.

What is the lifespan of the batteries?
EG4 LiFePO₄ batteries are rated for over 6,000 cycles, offering 10+ years of reliable use under normal conditions.


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