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Pat. 9948125 United States, Int. Cl.22 H02J 7/00, H02J 7/02, H02M 7/04. Systems and methods for self-contained automatic battery charging and battery-life-extension charging : Appl. N 15/258371 : Filed 07.09.2016 : Pub. 17.04.2018 : / Timothy Groat, Kyle Miller, John Flavin, William Kaewert ; Assignee Stored Energy Systems A LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9948125/en?oq=US9948125.html (дата обращения: ДД.ММ.ГГГГ).