ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,725, issued on Sept. 30, was assigned to SHENZHEN ZHUMANG TECHNOLOGY Co. LTD. (Shenzhen, China).

"Mobile power supply rental device" was invented by Kai Liang (Shenzhen, China), Chunren Zhong (Shenzhen, China) and Liang He (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mobile power supply rental device includes a host and at least one charging cabinet unit. The at least one charging cabinet unit includes battery compartments configured to receive mobile power supplies, charging terminals configured to charging the mobile power supplies received in the battery compartments, a power input terminal, a power output terminal configure...