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Sol-Ark 18kW 18K-2P-N Hybrid Solar Inverter

Sol-Ark 18kW 18K-2P-N Hybrid Solar Inverter

Regular price $7,999.00 -8% $7,299
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Sol-Ark 18kW 18K-2P-N Hybrid Solar Inverter

Sol-Ark 18kW 18K-2P-N Hybrid Solar Inverter

Sol-Ark
MPN No: 18K-2P-N
In Stock
Regular price $7,999.00 -8% $7,299

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Regular price $7,999.00 -8% $7,299

Specifications

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Warranty Guide
User Manual

Sol-Ark 18K-2P-N 18kW Hybrid Solar Inverter

Ships Mid-October

The Most Powerful Residential Hybrid Inverter

The Sol-Ark 18K-2P-N Hybrid Inverter is engineered for the most demanding residential and light commercial applications. With 18kW continuous power, 36kW surge power (10 seconds), and support for over 40kW of PV when AC-coupled, this inverter sets the standard for performance and reliability.

Whether you’re looking for grid-tied, off-grid, or battery-backed solar systems, the 18K-2P-N provides unmatched flexibility. It’s designed for seamless integration with lithium-ion batteries like Fortress Power, EG4, and SimpliPhi, while delivering advanced monitoring, scalability, and built-in protections.

Key Features

  • 18kW Continuous Power Output: Handles even the largest residential and light commercial loads.

  • 36kW Surge Capacity (10s): Starts HVAC systems, motors, and heavy appliances without issue.

  • Unmatched PV Support: Up to 32.4kW PV input, 28.8kW usable, plus 19.2kW AC-coupled input.

  • Battery-Based Design: Wide 48V battery range with 350A continuous charge/discharge.

  • Stackable: Connect up to 12 units for massive scalability.

  • Integrated Protection: Built-in DC disconnect, ground fault detection, surge protection, and 200A AC breaker.

  • NEMA 3R Outdoor Enclosure: Withstands harsh environments (-40°C to +60°C).

  • 10-Year Standard Warranty: Industry-leading reliability and peace of mind.

Why Choose the Sol-Ark 18K-2P-N?

The 18K-2P-N is more than an inverter — it’s an energy independence powerhouse. American-engineered firmware, superior surge handling, and the ability to support the largest PV arrays make it the most capable residential hybrid inverter on the market. With full UL1741SB compliance, IEEE1547-2018 interoperability, and integrated AFCI/GFDI protection, you can be confident in safety and performance.

Benefits

  • Energy Independence: Reduce or eliminate reliance on the grid.

  • Reliable Backup Power: Keep homes and businesses running during outages.

  • Massive PV & Battery Flexibility: Future-proof your system with scalable integration.

  • Silent & Efficient: <50 dB operation and up to 97.6% efficiency.

  • Durable Outdoor Design: Built for real-world conditions with IP65/NEMA 3R protection.

Technical Specifications

Attribute Specification
Power Output 18,000W continuous AC
Surge Power 36,000W (10 seconds)
Battery Voltage 48V nominal (40–60V)
PV Input Power 32,400W max, 28,800W usable
AC Coupled Input 19,200W
MPPT Voltage Range 150–425V
Max DC Input Voltage 500V
MPPT Inputs 3/2
Max. Battery Charge/Discharge 350A
Output Voltage 120/240V split-phase, 208V
Efficiency Max: 97.6%
Dimensions 34 x 18.3 x 11.1 in (863 × 464 × 282 mm)
Weight 137 lbs (62.4 kg)
Enclosure IP65 / NEMA 3R
Operating Temperature -40°C to +60°C (derating >45°C)
Certifications UL1741 SB, IEEE1547-2018, IEEE2030.5, Hawaiian Electric SRD V2.0, UL1699B PVDC AFCI, UL1998, CSA C22.2 No. 107
Warranty 10 Years


Applications

  • Residential Homes: Whole-home power with backup capability.

  • Commercial Properties: Efficient and reliable energy for demanding facilities.

  • Off-Grid Systems: Ideal for remote or critical applications.

Order the Sol-Ark 18K-2P-N Today

Upgrade to the most powerful residential hybrid inverter available. Whether your goal is energy independence, reliable backup power, or large-scale solar integration, the Sol-Ark 18K-2P-N is built to perform.

Certified Battery Partners

The Sol-Ark 18K-2P-N is fully certified to work with top battery manufacturers, ensuring seamless integration and reliable performance.

Why Choose Us Solar Supplier?

At US Solar Supplier, we understand that investing in solar energy is a significant decision. That’s why we offer only top-quality products, backed by industry-leading manufacturers. As a trusted supplier in the solar industry, we ensure that every product meets stringent quality standards, so you can make your purchase with complete confidence.

Need Help? Our team is here for you! If you have any questions or need more information before purchasing, call us at 1-800-230-7004. Our experienced and friendly staff is ready to assist with product details, installation advice, and any part of the purchasing process.

Why Buy From Us?

  • Trusted Partner: We work only with reputable manufacturers to ensure product reliability and performance. All products are new, never used.
  • Expert Guidance: Our team provides support at every step, from choosing products to final installation.
  • Peace of Mind: All products come with comprehensive manufacturer-backed warranties.
  • Secure Checkout: Your transaction is protected for a safe and easy shopping experience.

Join thousands of satisfied customers who trust US Solar Supplier for their solar energy solutions. Shop today and take a step toward sustainable energy with confidence!

The Sol-Ark 15K-2P-N hybrid inverter is ideal for residential and commercial solar systems looking for powerful and versatile energy storage. This model supports both AC coupled and DC coupled configurations and is compatible with a wide range of battery chemistries, including lithium, lead acid, and more. With a built-in charge controller, it simplifies solar integration while reducing electricity bills and maximizing remote monitoring performance. Whether you're designing a grid tied or off-grid home hybrid inverter system, the Sol-Ark 15K delivers unmatched flexibility. Designed with NEMA 3R weatherproof protection, this inverter handles energy storage and generating power needs with ease. Solar installers across the U.S. recommend the Sol-Ark 15K for its seamless hybrid solar inverter technology, solar panel compatibility, and long-term durability. Shop now to secure top-tier solar energy performance.

FAQ

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