SAJ September 30, 2026 06:42 Updated To add your SAJ system to our HEMS, you only need your serial number. Tap on "PV system". Select "SAJ" from the list. Enter your serial number. Done. Related articles myStrom My battery storage is not detected by the system; how can I prevent it from discharging? Shelly Why is my household consumption displayed as 0? smart-me