This is a strange tale:

U.S. energy authorities are reevaluating the hazards associated with Chinese-manufactured devices that are vital for renewable energy systems after unexplained communication apparatus was discovered within some of them, according to two individuals acquainted with the situation.

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In the last nine months, unverified communication devices, including mobile radios, have also been detected in various batteries from several Chinese manufacturers, one of the individuals mentioned.

Reuters could not ascertain how many solar inverters and batteries have been examined.

The unauthorized components create extra, unaccounted-for communication pathways that might permit firewalls to be bypassed from a distance, potentially resulting in dire implications, the two individuals stated.

The article lacks concrete information and is filled with implications. More specifics and trustworthy quoted sources would enhance the content significantly.