Deye LV 18kW Three Phase Hybrid Inverter - SUN-18K-SG05LP3-AU

Overview

The SUN-14/15/16/18/20K-SG05LP3-AU-SM2 Series is a versatile range of three-phase hybrid inverters delivering outputs from 14 kW to 20 kW. Designed for Australian residential and light commercial energy storage applications, this series combines high performance with advanced low-voltage battery integration.

Supporting 48 V low-voltage battery systems with transformer isolation, the SG05LP3 series offers enhanced safety, high charge and discharge capability, and flexible hybrid operation. Features such as unbalanced three-phase output, AC coupling, and intelligent battery scheduling make this inverter range ideal for both new installations and retrofit projects.

Key Features

Three-Phase Hybrid Energy Platform

• Three-phase hybrid inverter range from 14 kW to 20 kW
• Suitable for residential and light commercial applications
• Supports both on-grid and off-grid system configurations

Low-Voltage Battery Integration

• Battery voltage: 48 V (low-voltage)
• Transformer-isolated battery design for enhanced electrical safety
• Maximum charging / discharging current: 350 A
• Supports multiple low-voltage batteries connected in parallel

Advanced PV Input & MPPT Configuration

• MPPT channels: 2
• Optimised for flexible PV array configurations
• Designed for high solar yields and efficient energy capture

Three-Phase Output Performance

• 100% unbalanced output capability
• Up to 50% of rated power available on a single phase
• Ideal for sites with uneven phase loads

AC-Coupled & Hybrid System Support

• AC coupling capability for retrofitting existing solar PV systems
• Supports energy storage from diesel generators
• Six programmable time periods for battery charging and discharging

Scalable & Parallel Ready

• Up to 10 inverters in parallel for larger systems
• Future-ready architecture for system expansion