A charge equalization apparatus comprising: N transformers (T1 - Tn) connected in parallel to N respective series-connected batteries, characterized in that each of the N transformers includes one primary winding and two secondary windings, and in that the charge equalizing apparatus further comprises: N first semiconductor switching (D11 - Dn1) elements each connected to a first secondary winding of a corresponding one of the N transformers and a positive electrode of a corresponding one of the N batteries; N second semiconductor switching elements (D12 - Dn2) each connected to a second secondary winding of a corresponding one of the N transformers and a positive electrode of a corresponding one of the N batteries; a first redistribution switch connected at one end thereof to the positive electrode of the first battery, a second redistribution switch connected at one end thereof to the other end of the first redistribution switch, and to one end of the primary winding of the first transformer, a first charge storage device connected at one end thereof to the one end of the first redistribution switch; a second charge storage device connected at one end thereof to the other end of the first charge storage device and to the other end of the primary winding of the Nth transformer (Tn), and at other end thereof to the other end of the second redistribution switch and to a ground; N charge control switches (SW1 - SWn) each connected to both ends of a primary winding of a corresponding one of the N transformers; and a voltage detection and drive signal generation unit configured to detect respective voltages of the N series-connected batteries, and to generate a first drive signal for use to control the N charge control switches and a second drive signal for the redistribution switches based on the detected voltages. N transformers (T1 - Tn) connected in parallel to N respective series-connected batteries, characterized in that each of the N transformers includes one primary winding and two secondary windings, and in that the charge equalizing apparatus further comprises: N first semiconductor switching (D11 - Dn1) elements each connected to a first secondary winding of a corresponding one of the N transformers and a positive electrode of a corresponding one of the N batteries; N second semiconductor switching elements (D12 - Dn2) each connected to a second secondary winding of a corresponding one of the N transformers and a positive electrode of a corresponding one of the N batteries; a first redistribution switch connected at one end thereof to the positive electrode of the first battery, a second redistribution switch connected at one end thereof to the other end of the first redistribution switch, and to one end of the primary winding of the first transformer, a first charge storage device connected at one end thereof to the one end of the first redistribution switch; a second charge storage device connected at one end thereof to the other end of the first charge storage device and to the other end of the primary winding of the Nth transformer (Tn), and at other end thereof to the other end of the second redistribution switch and to a ground; N charge control switches (SW1 - SWn) each connected to both ends of a primary winding of a corresponding one of the N transformers; and a voltage detection and drive signal generation unit configured to detect respective voltages of the N series-connected batteries, and to generate a first drive signal for use to control the N charge control switches and a second drive signal for the redistribution switches based on the detected voltages. N first semiconductor switching (D11 - Dn1) elements each connected to a first secondary winding of a corresponding one of the N transformers and a positive electrode of a corresponding one of the N batteries; N second semiconductor switching elements (D12 - Dn2) each connected to a second secondary winding of a corresponding one of the N transformers and a positive electrode of a corresponding one of the N batteries; a first redistribution switch connected at one end thereof to the positive electrode of the first battery, a second redistribution switch connected at one end thereof to the other end of the first redistribution switch, and to one end of the primary winding of the first transformer, a first charge storage device connected at one end thereof to the one end of the first redistribution switch; a second charge storage device connected at one end thereof to the other end of the first charge storage device and to the other end of the primary winding of the Nth transformer (Tn), and at other end thereof to the other end of the second redistribution switch and to a ground; N charge control switches (SW1 - SWn) each connected to both ends of a primary winding of a corresponding one of the N transformers; and a voltage detection and drive signal generation unit configured to detect respective voltages of the N series-connected batteries, and to generate a first drive signal for use to control the N charge control switches and a second drive signal for the redistribution switches based on the detected voltages.