Charging apparatus for controlling supplement of electric current to a rechargeable battery

A battery system for an electric device using a rechargeable battery comprising:

• a rechargeable battery package including at least one rechargeable battery device;
• a first current stabilized unit providing a first electric current to said rechargeable battery device;
• a second current stabilized unit providing a second electric current to said rechargeable battery device, wherein said second electric current is less than said first electric current;
• a switching unit switching a connection of said first and second current stabilized units to provide current to said rechargeable battery;
• a detection unit, operatively connected to said switching unit, detecting an electric voltage at a terminal of said rechargeable battery package, and controlling said switching unit based on a result of the detected voltage to supply a current to said rechargeable battery package from the first current stabilized unit until a first detection of a predetermined electric voltage at the terminal, then to switch to connection of the second current stabilized unit to provide current to said rechargeable battery package until a second detection of the predetermined electric voltage at the terminal, and then to disconnect the first and second current stabilized units.

A charging apparatus for providing electric power to a rechargeable battery, wherein said charging apparatus comprises:

• a first current stabilized unit providing a first electric current to said rechargeable battery;
• a second current stabilized unit providing a second electric current to said rechargeable battery, wherein said second electric current is less than said first electric current;
• a switching unit switching a connection of said first and second current stabilized units to provide current to said rechargeable battery;
• and
• a detection means for detecting an electric voltage of a terminal of said rechargeable battery, and for controlling the switching means so as to switch the connection of said first and second current stabilized means to provide current to said rechargeable battery from the first current stabilized unit until a first detection of a predetermined electric voltage of the terminal, then to switch to connection of the second current stabilized unit to provide current to said rechargeable battery until a second detection of the predetermined electric voltage of the terminal, and then to disconnect the first and second current stabilized units.