A rechargeable battery pack with a set amount of charge

摘要

The present invention relates to a secondary battery battery pack capable of controlling the amount of charge for safe use and storage of the secondary battery battery pack, comprising: one or more rechargeable battery cells; a user input unit for a user to set a charge amount of the battery cell; a display unit for displaying information about the charging amount; and a control unit for controlling the charging unit to display reference information on the charging quantity data on the display unit before charging is performed on the charging quantity data, and to perform charging corresponding to the charging quantity data according to a user input input through the user input unit can be configured.