Emiliano Bellini

Hoymiles has launched the HiBattery 4020 hybrid series for residential storage, including the PV-coupled 4020 X and AC-coupled 4020 AC designed for retrofit solar systems. Both models are modular and use LiFePO₄ cells with advanced safety features.

The module achieved a full-panel conversion efficiency of 29.2% in testing by Germany's TÜV SÜD and is designed for mass production rather than laboratory-scale use.

Hoymiles has launched the HiBattery 4020 hybrid series for residential storage, including the PV-coupled 4020 X and AC-coupled 4020 AC designed for retrofit solar systems. Both models are modular and use LiFePO₄ cells with advanced safety features.

The Spanish manufacturer said its new inverter is optimized for stacked mounting in virtual central station configurations. The new product can reach a maximum efficiency of 99.05% and a European efficiency rating of 98.60%.

Marstek Energy has launched its Venus residential plug-in battery series, comprising the 2 kWh Venus E Mini, 5 kWh Venus E Gen 4.0 and 10 kWh Venus E Max. The new battery familiy is suitable for applications ranging from balcony solar storage to whole-home energy management and backup power.

Qurie GmbH has developed a heat pump that replaces traditional vapor-compression cycles with solid-state materials, potentially reaching over 70% theoretical efficiency and cutting energy use by up to 30%. Its patented heat-pipe-based design enables fast evaporation-condensation heat transfer without complex mechanics, achieving up to 20 Hz operation and aiming for compact, efficient cooling in sub-10 kW applications.

Marstek Energy has launched its Venus residential plug-in battery series, comprising the 2 kWh Venus E Mini, 5 kWh Venus E Gen 4.0 and 10 kWh Venus E Max. The new battery familiy is suitable for applications ranging from balcony solar storage to whole-home energy management and backup power.

At the SNEC 2026 trade show, Elecnova introduced its new 500 kW / 1,044 kWh all-in-one containerized ESS, featuring a modular four-cluster architecture and static transfer switch for critical backup applications. Built on LFP cells with an 8,000 cycle life, the IP55-rated, liquid-cooled system offers standard certified hardware alongside customizable integration and OEM services.

The quality assurance firm updated its inverter manufacturer financial stability ranking with Kstar Science and Technology, APSystems and Delta Electronics in the top three spots. It reported 20 manufacturers showing “strong financial resilience” based on Altman-Z scores.

pv magazine has spoken with Enphase chief product officer Raghu Belur about how gallium nitride technology is reshaping the company's microinverter architecture.