The energy storage solution sonnenBatterie eco from Sonnen GmbH uses an intelligent energy management software that adapts easily to the homeowner’s individual needs. It is available in a variety of storage capacities and configurations, ranging from a usable capacity of 4 kWh to 16 kWh (in 2 kWh steps). With its lithium-ion-phosphate (LiFePO4) battery, it offers backup power capacity for solar energy production 24 hours a day. It detects when there’s excess power and stores it for use at night. The home battery has a guaranteed lifetime of 10,000 cycles or 10 years and is available in Europe for a price of €3,599 ($3,830), including VAT. An all-in-one residential PV and storage system costs €9,999 ($10,645) in Europe and $9,900 in the United States.

4 - 16kWh
Lithium-ion phosphate

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