Battery charger having a fan

摘要

A battery charger 100 for charging a battery of a power hand tool includes a housing 10 with a charging chamber 111 for receiving the battery under charging, air vents 114 for ventilation, and a communication hole 112 in communication with the charging chamber. A charging circuit assembly 20 is mounted inside the housing and a fan 30 mounted inside the housing and electrically connected to the charging circuit assembly. The fan has a first ventilation side facing the air vents 114 and a second ventilation side opposite to the first ventilation side. A ventilation unit 40 is in air communication between the communication hole 112 and the second ventilation side of the fan 30 for guiding air out of the charging chamber to the outside of the housing through the air vents during operation of the fan and charging of a battery by the charging circuit assembly.