| 摘要 |
PURPOSE: A battery pack is provided to measure the trouble of specific battery cell, and prevent auto-charging by other battery cells parallel-connected in case specific battery cell is in low voltage. CONSTITUTION: A battery pack comprises: a plurality of battery cells(431-436) and a protective circuit thereof; and at least two current controlling component(437) connected between parallel connected battery cells. Each current controlling component is connected to the parallel connected battery cell. The battery pack additionally comprises a switch(440) parallel-connected with the current controlling component. The switch turns-on in case of charging or discharging of a plurality of battery cell. |
