Chinese battery manufacturer Marstek has introduced the Venus B, a 2 kWh plug-in energy storage system specifically designed for small photovoltaic systems. This device allows for the storage of solar power or the utilization of cheap electricity from dynamic pricing tariffs. With a maximum charging power of 1.5 kW, the Venus B can output either 800 W or up to 1.5 kW of power. This storage system is easily installable without the need for modifications to existing plug-in solar systems and is compatible with a variety of photovoltaic systems, offering a promising solution for enhancing renewable energy integration.
https://www.pv-magazine.com/2026/03/17/marstek-launches-2-kwh-plug-in-battery-storage-system/