Code 155
ITEM DESCRIPTION - The image shows a circuit board, specifically identified as a Charger Fan Circuit Board for AC/DC Charger Fans, likely a KN-2391 or similar model. Function: This circuit board is designed to control the charging and operation of rechargeable fans that can run on both AC and DC power. Features: It typically includes features like full charge indication, step-less speed control, and protection against overcharge and over-discharge. Some models also offer USB mobile charging. Voltage: The voltage can vary, with models available in both 6V and 12V versions (e.g., KN-2391 DC 6V or 12V). A charger fan circuit is an electronic circuit designed to control the operation of a cooling fan in a battery charger or power supply unit. The purpose of this circuit is to manage the fan's speed or on/off state.