Sigenergy Sigen Hybrid 4.0 SP2 Single-Phase Hybrid Inverter

The Sigenergy Sigen Hybrid 4.0 SP2 is a high-performance single-phase hybrid inverter developed for modern residential solar PV systems with integrated solar battery storage and backup functionality. Delivering 4000W nominal AC output power and supporting up to 8000W maximum PV input power, this inverter is ideal for homeowners looking to maximise solar self-consumption, reduce electricity costs and improve energy independence. With a market-leading 99.0% maximum efficiency, compact 99mm ultra-slim housing and ultra-quiet 25dB operation, the Sigen Hybrid 4.0 SP2 combines advanced technology with elegant residential design.

The inverter supports a maximum DC input voltage of 600V, features dual MPPT trackers and operates within a wide 50V–550V MPPT voltage range, ensuring excellent compatibility with modern high-efficiency solar panels and bifacial PV modules. Each MPPT supports up to 16A input current, allowing flexible rooftop system design and optimised solar production. The Sigen Hybrid 4.0 SP2 is fully compatible with Sigenergy SigenStor BAT battery systems, supporting battery voltage ranges from 300V to 600V and up to six battery modules per controller. Integrated backup functionality delivers up to 6000W peak backup power, helping maintain critical household loads during grid outages.

Advanced safety and smart energy management features include DC reverse polarity protection, insulation monitoring, residual current monitoring, anti-islanding protection, Type II AC surge protection and AFCI-ready arc fault protection. Designed for demanding operating environments, the inverter features IP66 protection, natural convection cooling, operating temperatures from -30°C to 60°C, and installation support up to 4000m altitude. Communication interfaces include WLAN, Fast Ethernet, RS485 and optional 4G/3G/2G connectivity, enabling intelligent monitoring and remote energy management through the Sigenergy platform. The Sigenergy Sigen Hybrid 4.0 SP2 is an ideal solution for solar installers, solar wholesalers, solar distributors, solar battery systems, energy storage projects and complete solar kits for residential applications.

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