Overview
- The onPower offer lists €899.99 plus €99.99 shipping for the complete set, compared with a usual €1,259 list price and roughly €1,200 when buying components separately without shipping.
- Solakon ONE starts at 2.11 kWh and expands to 12.66 kWh, accepts up to 2,600 W PV input, and uses four MPPT trackers to optimize generation with mixed orientations or partial shading.
- The system enables time‑shifted use of solar energy for higher self‑consumption, supports app control and zero‑export strategies with smart meters such as Shelly 3EM, and includes announced Home Assistant integration via a local API plus bidirectional grid charging.
- An EPS outlet provides backup power reportedly up to 1,200 W during outages and up to 2,200 W in grid‑parallel operation, according to PC‑WELT.
- Reported durability and performance claims include LiFePO4 cells rated for up to 8,000 cycles, about 90% lab efficiency, IP65 weather protection, operation from −20 °C to +55 °C, and a 94/100 ‘very good’ score in homeandsmart’s in‑house test.