Sigenergy SigenStor EC 4.0 SP hybrid inverter

Sigenergy SigenStor EC 4.0 SP is a hybrid single-phase energy controller designed for integration with PV installations and energy storage systems. The model offers a rated output power of 4000 W and a wide MPPT range, enabling efficient energy harvesting from diverse photovoltaic strings. The inverter is equipped with an advanced EMS for precise energy flow control.

The device supports emergency operation with a temporary boost up to 150% of rated power and features extensive communication options (WLAN, Fast Ethernet, RS485, optional cellular modules). Thanks to the number of MPPTs (4 in this model), the installation can achieve higher yields from panels with different orientations. The enclosure meets IP66 environmental protection requirements.

Key features

• Rated output power: 4000 W (on-grid)
• Built-in EMS for intelligent management
• 4 MPPTs enhancing PV performance
• 150% of peak power in off-grid mode (short-term)
• Support for SigenStor BAT battery modules (1–6 pcs), voltage 300–600 V
• IP66 protection rating, communication via WLAN/Ethernet/RS485