Isuna U20K-PH 20kW Hybrid Solar Inverter

The Isuna U20K-PH is a high-performance 20kW split-phase hybrid solar inverter engineered for residential, commercial, agricultural, and energy storage applications. Designed to support both grid-connected and off-grid operation, this advanced inverter combines industry-leading efficiency, intelligent energy management, and powerful backup capabilities into one versatile platform.

Built with advanced Silicon Carbide (SiC) technology and high-voltage battery compatibility, the U20K-PH delivers exceptional performance for modern solar installations. Whether you're building a whole-home backup system, a commercial energy storage project, or a large-scale solar installation, this inverter provides the reliability, flexibility, and scalability required for long-term energy independence.

With support for large solar arrays, battery storage systems, generator integration, and rapid backup switching, the Isuna U20K-PH is designed to meet the evolving demands of today's renewable energy systems.

Powerful 20kW Hybrid Inverter Performance

The U20K-PH delivers 20,000 watts of continuous power output with split-phase 120V/240V operation, making it suitable for both residential and commercial applications.

Ideal applications include:

• Whole-home backup power systems

• Residential solar energy storage

• Commercial solar installations

• Farms and agricultural operations

• Workshops and industrial facilities

• Off-grid energy systems

• Energy resilience projects

• Microgrid applications

Its split-phase design supports standard household circuits while providing power for larger 240V appliances and equipment.

Supports Both Grid-Tied and Off-Grid Applications

Unlike conventional inverters, the Isuna U20K-PH is designed for maximum installation flexibility.

System Operation Modes

• Grid-connected solar systems

• Hybrid solar and battery systems

• Off-grid energy systems

• Backup power installations

• Energy storage systems (ESS)

• Generator-supported systems

This flexibility allows homeowners and businesses to maximize solar self-consumption while maintaining energy security during utility outages.

Advanced Silicon Carbide (SiC) Technology

At the core of the U20K-PH is advanced Silicon Carbide technology that significantly improves inverter performance and efficiency.

Benefits of SiC Technology

• Higher conversion efficiency

• Reduced power losses

• Lower operating temperatures

• Improved reliability

• Faster switching performance

• Longer equipment lifespan

With efficiency ratings up to 98%, the inverter converts more solar energy into usable electricity, helping maximize overall system performance.

Massive 30kW Solar Input Capacity

The Isuna U20K-PH is engineered for large solar installations and supports up to 30kW of photovoltaic input.

Solar Features

• Up to 30kW PV input capacity

• Supports up to 200% PV oversizing

• Four independent MPPT trackers

• Enhanced energy harvesting

• Flexible array configuration

• Improved production under varying conditions

The four MPPT channels allow optimization across multiple roof orientations and solar array layouts for maximum solar production.

High Voltage Battery Compatibility

The U20K-PH supports a wide range of energy storage technologies and battery configurations.

Supported Battery Types

• Lithium-ion batteries

• LiFePO4 batteries

• Lead-acid batteries

• Sodium-ion batteries

Battery Voltage Range

• 80V–480V DC

This broad compatibility gives installers and system designers flexibility when selecting energy storage solutions.

Dual Battery Port Design

The inverter includes dual battery ports that allow users to combine existing battery banks with new storage systems, simplifying upgrades and reducing expansion costs.

Intelligent Energy Storage Management

Advanced battery control algorithms help maximize battery performance, lifespan, and overall system efficiency.

Battery Management Benefits

• Optimized charging cycles

• Enhanced battery protection

• Improved energy utilization

• Smart load management

• Efficient renewable energy storage

• Reduced operating costs

This intelligent energy management helps homeowners and businesses maximize their return on investment.

Reliable Backup Power Performance

Power outages can disrupt homes, businesses, and critical operations.

The U20K-PH delivers seamless backup power with UPS-level switching performance.

Backup Features

• Less than 8ms transfer time

• Continuous power delivery

• Stable voltage output

• Critical load support

• Reliable emergency operation

The ultra-fast transfer capability helps protect sensitive electronics and mission-critical equipment.

Exceptional Surge Capacity

Large electrical loads often require significant startup power.

The U20K-PH is engineered to handle demanding surge requirements.

Overload Performance

• 200%–300% overload capability

• Peak output up to 32kVA for 10 seconds

• Supports motors and compressors

• Handles heavy-duty equipment startup

• Reliable operation during high-demand events

This capability makes it ideal for agricultural equipment, HVAC systems, pumps, refrigeration systems, and industrial machinery.

Smart Generator Integration

For enhanced energy resilience, the U20K-PH includes dedicated generator support.

Generator Features

• Smart generator communication

• Dedicated generator port

• Supports generator input above 200%

• Automatic energy management

• Improved battery charging support

This feature helps maintain system operation during extended periods of low solar production.

Built for Harsh Environmental Conditions

The Isuna U20K-PH is designed for both indoor and outdoor installation.

Environmental Protection

• IP66-rated enclosure

• NEMA 4X protection

• Water-resistant design

• Dust-resistant construction

• Corrosion-resistant housing

• Outdoor installation ready

Its rugged construction ensures dependable performance in demanding climates and challenging operating environments.

Wide Operating Temperature Range

Engineered for year-round reliability, the inverter operates effectively in extreme temperatures.

Operating Conditions

• Temperature Range: -25°C to 60°C (-13°F to 140°F)

• Intelligent thermal derating above 40°C (104°F)

• Enhanced component protection

• Improved long-term reliability

This makes the inverter particularly suitable for Canadian climates, remote installations, and harsh outdoor environments.

Smart Monitoring and Connectivity

Real-time monitoring and remote access help users optimize system performance and quickly identify operational issues.

Communication Options

• WiFi Connectivity

• LAN Networking

• 4G Communication

• Bluetooth Access

• CAN Communication

• RS485 Communication

Users can monitor solar production, battery performance, energy consumption, and system status from virtually anywhere.

Scalable Parallel Expansion

As energy needs increase, the Isuna U20K-PH can scale with your project.

Expansion Capability

• Supports up to 6 units in parallel

• Up to 120kW total system output

• Suitable for commercial expansion

• Future-ready system architecture

• Flexible energy storage integration

This scalability allows the inverter to support everything from large homes to commercial and industrial energy projects.

Technical Specifications

Specification	Details
Model	Isuna U20K-PH
Inverter Type	Hybrid Solar Inverter
Continuous Output Power	20,000W
Output Voltage	120V / 240V Split Phase
Maximum Efficiency	Up to 98%
Maximum PV Input	30kW
PV Oversizing	Up to 200%
MPPT Trackers	4
Battery Voltage Range	80V–480V
Supported Batteries	Lithium-Ion, LiFePO4, Lead-Acid, Sodium-Ion
Transfer Time	< 8ms
Peak Output	32kVA (10 Seconds)
Parallel Capability	Up to 6 Units (120kW Total)
Environmental Rating	IP66 / NEMA 4X
Operating Temperature	-25°C to 60°C
Communication	WiFi, LAN, 4G, Bluetooth, CAN, RS485
Warranty	10 Years

Why Choose the Isuna U20K-PH?

The Isuna U20K-PH combines advanced hybrid inverter technology, high-voltage battery compatibility, exceptional solar input capacity, intelligent monitoring, and seamless backup power into a single energy management platform. Designed for both grid-tied and off-grid operation, it provides the flexibility needed for modern solar energy systems while delivering dependable performance in residential, commercial, and industrial applications.

With support for up to 30kW of solar input, 120kW parallel expansion, UPS-level backup switching, and a 10-year manufacturer warranty, the Isuna U20K-PH is a future-ready solution for energy independence, resilience, and long-term sustainability.

• Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
• Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
• If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.