Sonnen has published test results indicating the longevity of its storage systems after extended use.From pv magazine Germany German storage system manufacturer Sonnen has published test results that indicate the longevity of its products after extended use. In laboratory tests, the lithium iron phosphate (LFP) battery cells, which are also used in the company's "solar battery," reportedly withstood 28,000 charging cycles. The lifespans of battery storage systems remain an issue for many potential buyers. Sonnen says that it has charged and discharged battery cells at a C rate of one and a depth ...Den vollständigen Artikel lesen ...
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