CHARGER

摘要

A charger (100) includes: a charging circuit for charging a battery (20) by an external power supply (10); a controller (60) for controlling the operation of the charger (100); a manual switch (31), which is capable of being closed or opened so as to control the charging circuit to be powered on or to be powered off; and an electrical switch (32) connected to the manual switch (31) in parallel. The controller (60) controls the electrical switch (32) to be closed or opened. When the manual switch (31) is closed, the external power supply (10) supplies power to the controller (60) so that the electrical switch (32) is controlled to be closed by the controller (60). By this invention, the battery can be charged in the case of the battery being fully discharged, the requirement of user can be satisfied and the waste of the battery can be avoided.