Overview

• Retailers push aggressive promotions, with home&smart flagging Kleines Kraftwerk bundles such as a 2,000 W set with Anker SOLIX 3 for €1,339 and a 1,000 W kit for €339 using the current deal links.
• Home&smart highlights an AC TEC 880 W set for €205 that includes two 440 W Trina Vertex S+ panels, a Growatt NEO800M‑X microinverter and a 5 m Schuko cable.
• inFranken reports the Anker SOLIX Solarbank 2 Pro at €699 including a smart meter, offering 1.6 kWh base capacity expandable to 9.6 kWh, an integrated inverter, IP65 rating and a backup outlet.
• Competing storage options span Solakon ONE (2.11 kWh, €749 launch), Growatt NOAH 2000 (≈2.0 kWh, from €435), Jackery Navi 2000 (from €869), Marstek Jupiter C Plus (2.56 kWh, from €547), SPAUN Energy Master and Zendure AIO 2400.
• CHIP guidance cites two modules (≈800–1,000 W) saving roughly €120–€240 per year at 30 ct/kWh with payback often in 4–5 years, while a case study shows about 3.5 years without storage and a little over eight years with; subsidies such as €500 in Mecklenburg‑Vorpommern, €300 in Saxony and €250 in Berlin are available, and CHIP reports a legal entitlement to install since autumn 2025.