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Pat. 10978882 United States, Int. Cl.22 H02M 3/06, H02J 7/00, H02M 3/08. Constant-current charging circuit, energy storage power source and constant-current charging method : Appl. N 15/880468 : Filed 25.01.2018 : Pub. 13.04.2021 : / Yexin Ji, Yuefei Liao ; Assignee Dong Guan Juxing Power Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10978882/en?oq=US10978882.html (дата обращения: ДД.ММ.ГГГГ).