article_snippet.sent: Although it is designed to be completely independent of the national power grid, it can equally be wired up in the case of emergency.
article_snippet.sent: the storage system comes in different sizes ranging from the Sonnenspeicher 300, which is 4.8 kWh, to the Sonnenspeicher 600 at 8.06 kWh up to the 1000 model which offers 13.44 kWh.
article_snippet.sent: And although the storage system is designed to be completely independent of the national power grid, the storage system can equally be wired up in the case of emergency.
article_snippet.sent: We wanted to create a storage system that makes you truly independent of the national power grid, that adequately supplies all of your household appliances at all times, and that remains efficient and trouble-free for at least 20 years, so that you can have the peace of mind that your investment really is worth every penny,' said the firm.
article_snippet.sent: a storage system that makes you truly independent of the national power grid comes in different sizes ranging from the Sonnenspeicher 300, which is 4.8 kWh, to the Sonnenspeicher 600 at 8.06 kWh up to the 1000 model which offers 13.44 kWh.
article_snippet.sent: the firm said an average home can save around €1,200 a year (£876), so the firm would still take around seven years to recoup the costs, but a storage system that makes you truly independent of the national power grid will last for 20 years.