The SMILE-G3-T5~20 is a high-performance hybrid three-phase energy storage system combining a 5–20 kW inverter with 9.3 kWh battery modules, designed for both residential and small commercial applications. Featuring three MPPTs for higher PV input, a redundant design that removes the need for an HV box, and the ability to support up to 150% phase unbalancing, it delivers exceptional reliability and flexibility even under demanding grid conditions. Scalable, intelligent, and VPP-ready, the SMILE-G3-T5~20 offers a powerful solution for maximizing energy efficiency and solar self-consumption.