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

The Deye LV 18kW Three Phase Hybrid Inverter – SUN-18K-SG05LP3-AU is designed for larger residential and commercial solar and battery systems requiring high power output, flexible battery integration and reliable three-phase performance. Supporting 40–60V low-voltage battery systems, this hybrid inverter is suitable for lithium-ion and lead-acid batteries and can deliver up to 330A charging and discharging current. It also supports both on-grid and off-grid operation, making it a flexible choice for high-demand energy storage applications. Applications: Large Residential Systems: Ideal for homes with higher power demands, larger solar arrays and substantial battery storage requirements. Commercial Installations: Suitable for workshops, farms, offices and small to medium commercial properties looking to reduce grid reliance and improve energy management. Off-Grid & Hybrid Systems: Supports both grid-connected and off-grid applications, including systems incorporating solar, battery storage and generator backup. Benefits and Features: 18kW Three Phase Output: Provides up to 18kW rated AC input/output power for larger residential and commercial energy systems. Low-Voltage Battery Support: Compatible with 40–60V lead-acid and lithium-ion battery systems. High Battery Current: Supports up to 330A maximum charging and discharging current for high-capacity battery systems. High Solar Input Capacity: Supports up to 36kW PV access power and up to 28.8kW maximum PV input power on the 18kW model. Dual MPPT Design: Features 2 MPPT trackers with 2 strings per MPPT, providing flexibility when designing larger solar arrays. 100% Unbalanced Output: Supports unbalanced three-phase loads, helping manage varying demand across individual phases. AC Coupling Support: Can be used to retrofit battery storage into compatible existing solar systems. Parallel Operation: Supports multiple inverter units operating in parallel for larger on-grid and off-grid systems. Generator Integration: Supports energy storage from compatible diesel generators for backup and off-grid applications. Smart Battery Management: Lithium battery charging strategy automatically adapts using compatible BMS communication. Technical Specifications: Model: SUN-18K-SG05LP3-AU Rated AC Power: 18,000W Rated AC Current: 26.1A Battery Voltage Range: 40–60V Maximum Charging Current: 330A Maximum Discharging Current: 330A Battery Type: Lithium-ion or Lead-acid Maximum PV Access Power: 36,000W Maximum PV Input Power: 28,800W Maximum PV Input Voltage: 800V MPPT Voltage Range: 160–650V Rated PV Input Voltage: 550V MPPT Trackers: 2 Strings per MPPT: 2 + 2 Maximum PV Operating Current: 36A + 36A Maximum PV Short-Circuit Current: 54A + 54A Maximum Continuous AC Passthrough: 70A Grid Connection: 3L + N + PE Maximum Efficiency: 97.6% MPPT Efficiency: >99% The Deye 18kW Three Phase Hybrid Inverter is a strong choice for customers needing a larger low-voltage hybrid inverter capable of handling high solar input, substantial battery storage and demanding three-phase loads. If you are unsure about battery compatibility, solar string sizing or system configuration, our team can help you select the right setup for your application.