Why German energy provider Rabot Energy is selling a 2 kWh AC-only battery, no solar required - pv magazine Global

Rabot Energy launched Rabot Flow, a 2.12 kWh plug-and-play home battery for German apartment renters that uses dynamic tariffs to charge when grid electricity is cheap and discharge during price spikes. Sold at cost and requiring no electrician or smart meter, the Marstek-based battery promises around €120–€130 in annual savings while helping Rabot boost customer retention and grid flexibility.

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