The Deye 20kW LV Inverter 3-Phase is a high-performance energy solution designed for large residential properties, commercial buildings, farms and light industrial installations.

Combining solar PV generation, 48V battery storage, grid electricity and generator support, the inverter provides intelligent energy management, dependable backup power and greater control over electricity costs. Its low-voltage battery architecture offers a practical and cost-effective storage solution for three-phase solar systems with high energy requirements.

Powered by advanced SiC MOSFET semiconductor technology, the Deye 20kW inverter delivers efficient operation, high power density and a compact, modern design.

Deye 20kW LV 3-Phase Inverter Features & Advantages:

• Next-Gen Power Efficiency
  • SiC MOSFET Technology enhances performance while reducing product size.
  • Up to 20kW AC Output Power with 1.1x power boost capability.
  • 20A+20A PV Input Current, supporting the latest high-power PV modules.
• Advanced Hybrid Functionality
  • Works on-grid and off-grid, offering full flexibility for energy management.
  • Low Voltage 48V Battery Support, providing a cost-effective and safe storage solution.
  • Expandable storage without requiring a BMS box for enhanced compatibility.
  • 350A Maximum Charging/Discharging Current, ensuring faster battery charging and efficient energy retrieval.
• Smart Monitoring & User-Friendly Operation
  • WiFi & Remote Monitoring for real-time tracking via mobile apps or web platforms.
  • Touchscreen with Plexiglas Panel for durability and easy operation.
  • 6 Programmable Battery Charging/Discharging Time Periods for optimised energy usage.
• Robust & Scalable Design
  • Supports Parallel Operation (Up to 10 Units) for large-scale installations.
  • 100% Unbalanced Output per Phase, ensuring stable energy distribution.
  • Compatible with Diesel Generators, allowing hybrid energy backup solutions.
  • AC Coupling with Micro-inverters & String Inverters, making it ideal for both retrofits and new installations.
• Durability & Easy Installation
  • Sleek, modern design with a screw-free front panel for enhanced aesthetics.
  • Flip-cover wiring area for simplified setup and maintenance.
  • Built to withstand diverse environmental conditions for long-lasting reliability.

Industry Recognition & Certifications

The DEYE SUN-20K-SG05LP3 was introduced as the world’s first 20kW low-voltage 3-phase hybrid inverter and has been showcased at top solar exhibitions, including Intersolar Europe and SNEC. It has also received the IEC62109 certification, solidifying its position as a leading-edge solar innovation.

Technical Specifications:

• Rated AC Output: 20kW
• PV Input Power: Up to 30kW
• Battery Type: 48V Lithium/Lead-Acid
• Battery Voltage Range: 40-60V
• Charge/Discharge Current: Max. 350A
• On-Grid & Off-Grid Switching Time: 4ms
• Communication Interfaces: WiFi, RS485, CAN
• Operating Temperature Range (℃): -40 to +60℃, >45℃ Derating
• Noise: <60 dB
• Parallel Operation: Up to 10 units

Deye 20kW LV 3-Phase Inverter is ideal for…

• Large residential homes with high energy demand
• Commercial businesses looking to reduce electricity costs
• Industrial operations requiring stable, scalable power solutions
• Hybrid energy setups that integrate solar, battery storage, and grid power

Why Choose the Deye 20kW LV Three-Phase Inverter?

The Deye 20kW LV inverter combines powerful three-phase output, low-voltage battery compatibility, scalable parallel operation and intelligent energy control in one integrated system.

It is ideal for property owners and businesses looking to:

• Reduce grid electricity consumption
• Increase solar self-consumption
• Store excess solar energy
• Maintain essential power during outages
• Manage uneven three-phase loads
• Integrate generator backup
• Expand the solar installation over time

Professional system design and installation are recommended to ensure the solar array, battery bank, protection equipment, cabling and backup circuits are correctly matched to the inverter and property requirements.

Need more information?

View the Deye 20kW Inverter LV 3-Phase User Manual

View the Deye 20kW Hybrid Inverter LV 3-Phase Datasheet