{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9837836","patent":{"patent_number":"US-9837836","title":"Charging method using compensation impedance in CV charging mode","assignee":null,"inventors":[],"filing_date":"2015-06-26T00:00:00.000Z","publication_date":"2017-12-05T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J"],"num_claims":15,"abstract":"A charging method and a portable electronic device using the same are provided. The charging method includes following steps: detecting a battery voltage and a charging current of a battery module; determining whether the portable electronic device operates at a constant voltage (CV) charging mode; executing an impedance calculation at the CV charging mode to obtain a first battery voltage corresponding to a first predetermined current and a second battery voltage corresponding to a second predetermined current; calculating a compensation impedance according to the predetermined current and the battery voltages; setting a maximum charging voltage according to the compensation impedance and executing a CV charging to the battery module accordingly; determining whether a current variation of the charging current is larger than a threshold value; re-executing the impedance calculation; updating a setting value of the maximum charging voltage when the current variation is larger than the threshold value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Charging method using compensation impedance in CV charging mode","description":"A charging method and a portable electronic device using the same are provided. The charging method includes following steps: detecting a battery voltage and a charging current of a battery module; de","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9837836","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9837836","citation_suggestion":"Patentable. \"Charging method using compensation impedance in CV charging mode\" (US-9837836). https://patentable.app/patents/US-9837836","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9837836","json":"https://patentable.app/api/llm-context/US-9837836","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:20:26.833Z"}