Sofar 5kW 1Ph Hybrid 2MPPT (ESI 5K-S1-A (AS4777-2 2020))
The Sofar ESI 5K-S1-A is a 5 kW single-phase hybrid inverter (solar + battery + grid) with dual MPPT inputs, designed for residential rooftop PV + battery + backup installations. It supports PV input, high-voltage battery integration (e.g. Sofar BTS battery modules), offers backup/UPS-style switching (≈ 10 ms) to critical loads, and is compact with IP65 protection — suitable for indoor or sheltered outdoor mounting.
- Product Code:19544
- Model No.:ESI 5K-S1-A (AS4777-2 2020)
Hybrid Solar + Battery + Grid Integration — The inverter supports PV input and high-voltage battery modules (e.g. 400 V battery strings) to enable solar + storage + grid coupling. This allows for self-consumption, time-shifted power usage, and backup supply during grid outages.
Dual MPPT for Flexible PV Layout & Better Yield — With 2 independent MPPT trackers, the system can accept two separate PV strings — helpful when panels are placed on different roof orientations or when shading and layout vary.
PV Oversizing & Wide Input Voltage Range — Good for Modern Modules — Supports PV array up to ~ 7.5 kWp (DC) for the 5 kW inverter, with a wide MPPT operating voltage range (≈ 85–520 V DC) and maximum input voltage up to 550 V DC. Suitable for high-wattage modules or longer strings.
Built-in Backup / EPS (Emergency Power Supply) with Fast Switchover — In case of grid failure, the inverter can switch to battery (or PV + battery) supply for loads with a switchover time of about 10 ms — providing UPS-like backup performance for critical loads.
- Rating (kW) : 5,000 W (5 kW)
- Max. DC-Input Capacity : Up to ~ 7,500 Wₚ (7.5 kWp)
- MPPT : 2 independent MPPTs (dual-MPPT)
- Phase : single-phase
- Weight (kg) : 22.5
- Dimension (W/D/H) : 708*170*410
- IP Rating : IP65
- Product Warranty (Years) : 10-year product warranty

































