The European Patent Office (EPO) has published patent application EP4358230A1, titled 'Battery charging method and circuit, multi-cell battery, terminal device, and electronic device.' The publication date is March 11, 2026, and the applicant is GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD. The patent covers specific methods and circuits for battery charging, applicable to multi-cell batteries, terminal devices, and electronic devices.

This publication is a notification of a granted patent and does not impose new regulatory obligations on companies. However, it is relevant for entities operating in the battery technology and consumer electronics sectors, particularly those developing or manufacturing devices that utilize advanced charging methods. Companies should be aware of this patent's existence for potential intellectual property considerations, such as licensing or infringement risks, within the designated European states.