Description
They’re warrantied for 10 years and you can build them up to 15kWh of useable storage (always check the useable v actual storage) – enough to power an average home for more than a day if the sun starts hiding. The Sonnen system stands out as a really flexible high quality option. With everything connected to the internet you also get automatic software updates, keeping everything efficient while you go and tend to the garden, or read a book, or run your business. In other words, once installed, you don’t have to do anything.
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