By ESS news
Chinese battery manufacturer Marstek has introduced the Venus B, a plug-in energy storage device that plugs into a standard Schuko socket. The system is designed for use with small photovoltaic systems and for optimizing energy costs with dynamic electricity rates.
The storage unit has a usable capacity of 2 kWh and is equipped with an integrated inverter. The maximum charging power from the grid is 1.5 kW. According to the manufacturer, the device can deliver 800 W or a maximum of 1.5 kW of power.
The device plugs into an electrical outlet and can thus absorb excess solar energy from a plug-in solar power system on the same circuit. Alternatively, the battery can also be charged with cheaper electricity from dynamic rates and discharged again when prices are higher. As is often noted, profits can depend on return efficiency.
According to Marstek, the storage system can be installed without any modification to the existing plug-in solar system and is compatible with various photovoltaic systems.
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