Abstract: A battery charger is provided on which power conversion components for converting commercial power to direct current (DC) power are mounted. The power conversion components include a power breaker for switching input alternate current (AC) power on/off, a power conversion circuit for converting the input AC power to a predetermined AC power, a voltage conversion circuit for converting the predetermined AC power to a predetermined voltage, and a rectifier circuit for converting the AC power that has been converted to the predetermined voltage to DC power. The power conversion components are mounted on a core frame, and an outer housing is mounted to the core frame in a manner so as to cover the core frame. The power breaker, the power conversion circuit, the rectifier circuit, and the voltage conversion circuit are mounted in this order to the core frame.

Abstract: A battery charger on which power conversion components for converting commercial power to direct current power are mounted, includes a core frame formed into a C-letter shape in horizontal cross section. The components at least producing heat among the power conversion components are mounted on one side confined by a C-letter cross section of its both sides. An outer housing is attached to the core frame so as to cover the core frame, and a fan supplies cooling air to a region confined by the C-letter shaped cross section of the core frame.

Abstract: A battery charger is provided on which power conversion components for converting commercial power to direct current (DC) power are mounted. The power conversion components include a power breaker for switching input alternate current (AC) power on/off, a power conversion circuit for converting the input AC power to a predetermined AC power, a voltage conversion circuit for converting the predetermined AC power to a predetermined voltage, and a rectifier circuit for converting the AC power that has been converted to the predetermined voltage to DC power. The power conversion components are mounted on a core frame, and an outer housing is mounted to the core frame in a manner so as to cover the core frame. The power breaker, the power conversion circuit, the rectifier circuit, and the voltage conversion circuit are mounted in this order to the core frame.

Abstract: A battery charger on which power conversion components for converting commercial power to direct current power are mounted, includes a core frame formed into a C-letter shape in horizontal cross section. The components at least producing heat among the power conversion components are mounted on one side confined by a C-letter cross section of its both sides. An outer housing is attached to the core frame so as to cover the core frame, and a fan supplies cooling air to a region confined by the C-letter shaped cross section of the core frame.