Sonnen
Primary question · When does the Sonnen premium pay back over a Powerwall?
German battery manufacturer whose Eco range is built around LFP chemistry and an unusually long warranty. The unit you choose when the install is part of a considered architectural plant room and longevity matters more than headline price.
We publish full brand profiles pillar by pillar. Sonnen sits in the queue behind the pillars we have already threaded; the summary below is the working draft, not our final view.
- Long warranty and cycle life
- LFP chemistry from a brand that has used it for a decade
- Architectural floor-standing form
- Premium pricing
- Smaller UK installer pool than GivEnergy
Specific Sonnen products, with a verdict.
This is our editorial profile of Sonnen; not a spec sheet, and not a sponsored write-up.
Read the verdict, then look at the specific units we have a view on further down the page.
- Solar and batteries; the panel roster
The brands worth putting on a UK roof.
- Compare brands side by side
The comparison surface (Thread 5) sits above every brand page.
Sonnen: German battery manufacturer whose Eco range is built around LFP chemistry and an unusually long warranty. The unit you choose when the install is part of a considered architectural plant room and longevity matters more than headline price.