A battery outage impacted 800 Sungrow batteries, and the Chinese manufacturer informed its local German partners about the solution. However, it is unclear how quickly the affected battery management systems will be replaced.
From pv journal Germany
Around 800 Battery energy storage systems sold in Germany by Chinese manufacturer Sungrow were affected by an automatic software update in early March 2023.
Sungrow is a Chinese manufacturer of Battery energy storage systems and solutions, including lithium-ion batteries, which are commonly used to store energy generated by solar panels or wind turbines.
PV magazine was informed that the number of affected devices is accurate. A few of the company’s customers are unable to store the solar power they produce through their solar systems at this time, the company said. It was not disclosed how many storage systems the company sold in Germany.
Adding that there is a solution to the battery issue, the manufacturer said installers can contact the after-sales service, which would treat the request with the highest priority.
According to PV magazine, several affected solar system owners have reported outages. The battery management system unit must be replaced if the storage devices fail.
As of now, Sungrow cannot estimate when the replacement devices will arrive. Letters to installers mention “probably in the next few weeks.” So far, no decision has been made regarding who will bear the installation costs.
Sungrow recommends that customers notify their installer when they notice their battery storage failing when they contact PV magazine.