An electric tool is powered by a battery. An electric tool includes a motor, a charging and discharging control circuit and a motor control circuit. Charging and discharging control circuit is configured to couple to a power adapter. Charging and dischargi...

A method for controlling an on-board charger is provided. A transformer side of an AC/AC conversion circuit is connected to an alternating current side of an AC/DC conversion circuit through a transformer. A reference peak value of a grid-side current of t...

A battery pack charger having housing including a battery pack interface for removably receiving a battery pack and a power input. The battery pack charger including a hybrid flyback converter having a primary side including a DC-DC half-bridge and a secon...

A charging circuit board includes a first reserved area, a first resistor, a second reserved area, a wake-up module, a third reserved area, a sampling module, a first power supply module, and a main control module. The first power supply module includes an...

A power system configured to provide electrical energy to information handling resources of the information handling system, and a management controller communicatively coupled to the processor and the power system. The power system may include a buck volt...

The present technology discloses a three-phase and single-phase two-way charger. According to a specific example of the present invention, a battery charger having a single-stage structure for a combined use of single-phase and three-phase is implemented w...

A constant-current battery charger includes a power supply for supplying a charge current to a secondary cell, and a current monitor for monitoring a charge current being supplied to the cell. A controller is included for varying the charge current in acco...