High-efficiency inverter with up to 110% AC overload output, up to 98.5% efficiency on charging and discharging, quick configuration with U-disk, compatibility with lithium-ion and lead-acid batteries, and intelligent loads management. It also features IP65 protection level and integrated SPD for safety, and can provide up to 150% EPS output for 60s. Additionally, it has on & off-grid parallel function, 5 work modes, and is VPP ready. The three-phase unbalanced output has a maximum 5kW output power on a single phase.