Overview

• Marstek’s Jupiter C Plus all‑in‑one battery is advertised at €547 for 2.56 kWh with an integrated 800 W inverter, smart meter and courier delivery, expandable to 10.24 kWh with four MPPT inputs.
• Solakon’s Quattro 2000 W sets with Growatt’s NOAH 2000 (2.048 kWh) are promoted from about €819.99, with the 2000 W bundle listed at €1,059.99 during a sale and some configurations noting wait times for NOAH units.
• Anker’s SOLIX Solarbank 3 E2700 Pro features 2.688 kWh base capacity, AI optimization, backup power, 3600 W PV input and expansion up to ~16 kWh, with promotions reported at €1,149 for the unit or €1,299 for a 2000 W kit including a smart meter, plus voucher discounts.
• Vendors highlight that 2024’s Solarpaket 1 raised the microinverter cap to 800 W and module power to 2,000 W, spurring larger ‘Quattro’ kits and zero‑export operation managed by bundled smart meters.
• Market reporting cites roughly one million registered mini‑PV units in the Bundesnetzagentur database and retailer claims of 3–5 year payback for storage bundles based on about €0.30 per kWh household electricity prices.