Solis S6-EH3P15K-H 15 kW Three-Phase Hybrid Energy Storage Inverter

The Solis S6-EH3P15K-H is a 15 kW three-phase hybrid energy storage inverter designed for residential, small commercial, and C&I PV installations. It features four independent MPPT trackers with four input strings, supporting a maximum PV array size of 30 kW and maximum input power of 24 kW at 20 A input current. The inverter operates with a wide MPPT voltage range of 200–850 V and features a low 160 V start-up voltage.

The inverter delivers 15 kW rated output power with maximum efficiency of 97.7% (EU efficiency 97.5%), achieving 98.5% efficiency when charging the battery from PV. It supports Li-ion battery systems with voltage ranges from 120–800 V and maximum charge/discharge power of 15 kW. The unit includes integrated DC switch, reverse-polarity protection, anti-islanding protection, and optional integrated AFCI 2.0. Dual backup ports enable intelligent load management during grid outages, with support for peak shaving and generator compatibility.

Key features include transformerless topology, 7.0" LCD display with Bluetooth and app control, IP66 ingress protection, and intelligent fan-cooling. Communications options include CAN, RS485, Ethernet, and optional Wi-Fi, cellular, and LAN. Dimensions are 563 × 546 × 250 mm with a weight of 35.2 kg. Operating temperature range is −25 to +60 °C with maximum operation altitude of 2000 m.