98.6% Efficiency
Maximum energy conversion

18-21kW three phase LV string inverter with 98.6% efficiency for 127V/220V grids.
The Deye SUN-18-21K-G04-LV is a high-performance three-phase string inverter for residential and commercial solar installations. With 18-21kW power range, 98.6% max efficiency, dual MPPT trackers, 200-700V MPPT range, 127V/220V or 133V/230V output, zero export and VSG support, Anti-PID function, and IP65 protection, it's designed for low-voltage grid environments.
The SUN-18-21K-G04-LV is specifically designed for low-voltage grids, supporting 127V/220V and 133V/230V systems.
Yes! The optional Anti-PID function helps prevent power degradation caused by Potential Induced Degradation in PV modules.