Patent Number: 7,786,696

Title: Battery pack charged by external power generator and supplying discharge power to external load in parallel to external power generator

Abstract: A battery pack that is charged with power generated in an external power generator and supplies battery power to an external load in parallel with the external power generator, and a power receiving device of a portable electronic device that receives and supplies battery power to an external load in parallel with the external power generator, the battery pack including: a battery cell to discharge power based on a charged amount of electric charge; an external power input terminal to receive power from an external power generator; a power output terminal to supply power to an external load; and a voltage transforming circuit to transform voltage of the power received through the external power input terminal to transfer the transformed voltage to the power output terminal.

Inventors: Kim; Dong Rak (Seoul, KR), Song; In Seob (Seoul, KR), Park; Jung Kurn (Seoul, KR), Lee; Sang Cheol (Seoul, KR), Kim; Young Jae (Seoul, KR)

Assignee: Samsung SDI Co., Ltd.

International Classification: H01M 10/46 (20060101)

Expiration Date: 8/31/12018