100% FREE SHIPPING STOREWIDE  |  SHOP NOW >>
100% FREE SHIPPING STOREWIDE  |  SHOP NOW >>
Skip to content

Sol-Ark 18K-2P Hybrid Inverter System

by Sol-Ark
|
SKU: SA-18K-2P
$6,515.00

We Beat Any Price

Found the same price or less? Just ask & we'll beat it.

Authorized Sol-Ark Dealer

Authorized Sol-Ark Dealer

Easy 30-Day Returns

Easy 30-Day Returns

Friendly Lifetime Support

Friendly Lifetime Support

Sol-Ark 18K-2P Hybrid Inverter System Delivers Powerful Home Backup Capacity

The Sol-Ark 18K-2P Hybrid Inverter System is designed for homeowners and energy users who need substantial backup power capability and flexible solar integration. It provides up to 18 kW of continuous AC power from battery storage, 36 kVA of surge power for 10 seconds, 200A grid pass-through, multiple solar input options, two 48V battery ports, and a dedicated generator port. For demanding backup applications, that combination gives you a practical foundation for building a high-capacity energy system around your specific power needs.


Sol-Ark 18K-2P Hybrid Inverter System Features

18 kW Continuous Power So You Can Support Large Loads

The Sol-Ark 18K-2P provides up to 18 kW of continuous AC power directly from battery storage. That substantial output is intended for systems where a smaller inverter may not provide enough capacity for larger electrical loads. The inverter also provides up to 36 kVA of surge power for 10 seconds, helping support demanding loads such as HVAC units and motors when they need additional power during startup.

200A Grid Pass-Through For High-Capacity Electrical Systems

With 200A grid pass-through, the 18K-2P is built to handle substantial electrical service requirements. This makes the grid connection an important part of the system design while the inverter provides the power-management capabilities needed for backup and hybrid energy applications.

Six DC Solar Ports So You Can Build Around Solar Generation

The 18K-2P provides 6 DC solar ports and 3 full-sized MPPTs, with up to 36A per MPPT. Multiple solar input options give system planners more flexibility when configuring photovoltaic generation. The product information also states that the system can support more than 40 kW of PV when utilizing AC-coupled functionality.

Dual 48V Battery Ports For Flexible Energy Storage

Battery storage is central to a hybrid power system, and the 18K-2P includes 2 x 48V battery ports along with a 350A battery charger. The product information also identifies upgrade UL9540 options. Customers should confirm the exact battery configuration and applicable requirements before purchase to ensure the planned system matches the intended application.

Automatic 5ms Transfer So Backup Power Responds Quickly

The Sol-Ark 18K-2P features an automatic 5ms transfer time. It also provides multi-season time-of-day settings, giving users additional control over how the system manages energy according to configured operating periods. The system is also described as Virtual Power Plant ready.

Dedicated Generator Port For Additional Power Options

A dedicated GEN port provides another connection option for system designs involving generators or AC coupling. The 18K-2P is also described as AutoStart capable. Because generator configurations can vary, confirm the intended generator setup and required equipment before purchase.


Real-World Applications For The Sol-Ark 18K-2P

Home Backup Power For Demanding Electrical Loads

The 18K-2P is particularly suited to home backup applications where maintaining power for larger electrical loads is important. Its 18 kW continuous output and 36 kVA, 10-second surge capability are designed to handle substantial demand, including HVAC units and motors.

Off-Grid Power For Large Energy Systems

The product is also designed for off-grid needs. Its combination of battery ports, solar inputs, generator connection, and high continuous AC output gives system designers several ways to structure a larger energy system. Exact off-grid configuration should be confirmed based on the complete system design.

Emergency Preparedness With Multiple Energy Inputs

For homeowners planning around grid interruptions, having several available energy-input options can be useful. The 18K-2P combines battery storage, solar input capabilities, grid pass-through, and a dedicated generator port within its hybrid inverter design.


How The Sol-Ark 18K-2P Compares With Smaller Inverters

A smaller inverter may be appropriate for a system with modest electrical loads, but the Sol-Ark 18K-2P is designed around significantly higher power requirements. Its 18 kW continuous AC output, 200A grid pass-through, six DC solar ports, three full-sized MPPTs, and two 48V battery ports provide capabilities intended for larger hybrid power systems.

This is not a portable power station designed to be carried from one location to another. It is a substantial hybrid inverter intended to serve as part of a larger power system. Customers comparing it with portable power stations, smaller residential inverters, or other backup solutions should evaluate their required continuous power, surge requirements, solar configuration, battery arrangement, and overall system design.


Is The Sol-Ark 18K-2P A Good Fit

The 18K-2P may be worth considering if your project calls for a high-capacity hybrid inverter with substantial battery and solar integration options. It is especially relevant for customers planning larger home backup or off-grid power systems rather than small, portable setups.

This May Be A Good Fit If

  • You need up to 18 kW of continuous AC power from battery storage.
  • Your system requires substantial backup capacity for large electrical loads.
  • You want multiple DC solar input options with three full-sized MPPTs.
  • You are planning around 48V battery storage.
  • You want a dedicated generator connection in the system design.
  • You need 200A grid pass-through capability.

Before purchasing, confirm your battery configuration, solar array design, generator requirements, electrical service, and other system-specific details. The inverter is one important part of a complete power system, so matching it correctly to the rest of your equipment matters.


Common Questions About The Sol-Ark 18K-2P

How Much Continuous Power Does The 18K-2P Provide?

The Sol-Ark 18K-2P provides up to 18 kW of continuous AC power directly from battery storage.

How Much Surge Power Does The 18K-2P Provide?

The system provides up to 36 kVA of surge power for 10 seconds, supporting demanding loads such as HVAC units and motors during startup.

How Many Solar Inputs Does It Have?

The 18K-2P has 6 DC solar ports and 3 full-sized MPPTs, with up to 36A per MPPT.

Does The 18K-2P Support Batteries?

Yes. The product includes 2 x 48V battery ports and a 350A battery charger. Confirm the specific battery configuration and system requirements before purchase.

Can A Generator Be Connected?

The 18K-2P includes a dedicated GEN port and is described as AutoStart capable. It is also designed to support generators or AC coupling. Confirm the exact generator configuration before purchase.


Sol-Ark 18K-2P Hybrid Inverter System Specifications

Continuous AC Output 18 kW
Surge Power 36 kVA for 10 seconds
Grid Pass-Through 200A
DC Solar Ports 6
MPPTs 3 full-sized MPPTs
Maximum Current Per MPPT 36A
Battery Ports 2 x 48V
Battery Charger 350A
Automatic Transfer Time 5 ms
Generator Port Dedicated GEN port
Generator AutoStart AutoStart capable
PV Capacity With AC-Coupled Functionality More than 40 kW
Time-of-Day Settings Multi-season
Virtual Power Plant VPP ready


What’s Included 

  • 1 x Sol-Ark 18K-2P Hybrid Inverter System

The provided product information does not specify additional included accessories. Confirm the complete package contents before purchase if you require specific cables, mounting hardware, or other system components.


Build Your Power System With Practical Planning

The Sol-Ark 18K-2P Hybrid Inverter System is designed for customers planning substantial backup or off-grid energy systems where inverter capacity, solar integration, battery storage, and multiple power-input options all matter. With 18 kW of continuous AC output, 36 kVA of 10-second surge capacity, 200A grid pass-through, six DC solar ports, three full-sized MPPTs, two 48V battery ports, and a dedicated generator port, it provides a broad set of capabilities for larger power-system designs. At Outbound Power, we focus on helping customers understand the equipment behind their power solution so they can select components based on real electrical requirements rather than guesswork. Review your complete system needs and choose the Sol-Ark 18K-2P when its specifications align with the job.


Sol-Ark 18K-2P Hybrid Inverter System Manuals

Sol-Ark_18K-2P_Hybrid_Inverter_System_Manuals

Sol-Ark 18K-2P Hybrid Inverter System Datasheet

Sol-Ark_18K-2P_Hybrid_Inverter_System_Datasheet

Sol-Ark 18K-2P Hybrid Inverter System BESS Value Comparison

Sol-Ark_18K-2P_Hybrid_Inverter_System_BESS_Value_Comparison

Common Customer Questions

Get answers to the most frequently-asked questions customers ask before placing an order.

Is Outbound Power an Authorized Dealer?

Yes! Outbound Power is an Authorized Dealer for every single brand and product on our store.

How long will it take for my order to arrive?

Shipping times vary depending on your location and the product or products ordered.

Order Processing Time
Most products are processed within 1-3 business days. If there is a delay in processing your order, we will alert you with as much information as possible about what to expect.

After order processing is complete, you will receive tracking information to monitor your order while it is in transit.

Order Shipping Time
Following processing, it may take between 3 and 8 days to arrive, depending on your location.

Please refer to the product page for your item and reference the estimated delivery time frame for more details.

Additionally, you can see the estimated delivery time frame during checkout and receive a tracking number once your order ships.

What are your shipping rates? Do you offer free shipping?

Everything on our store ships for free. Really!

What is Outbound Power's return policy?

Most items may be returned within 30 days of delivery. Please refer to our Returns & Exchanges policy to determine what items are eligible. Returns are not accepted beyond 30 days following delivery.

Are Outbound Power products used/old/refurbished?

Everything sold on our website is brand-new.

Do you price match?

No — we price BEAT! Please refer to our Price Beat Promise for full details.