<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p>Features: <br/>1.Compact design: The control board adopts a miniaturized design, making it suitable for installation in devices with limited space.<br/>2.Boost conversion function: Equipped with a built-in boost circuit, it can boost from a lower battery voltage (such as a 3.7v lithium battery) to 5v, 7v, or 9v to meet the working requirements of the fan motor.<br/>3.Low standby current: In standby mode, the current consumption of the control board is extremely low (such as 10ua), which helps to extend the device&#x27;s battery life.<br/>4.Multi voltage output support: This boost plate can boost the battery voltage to various output voltages such as 5v, 7v, 9v, etc., suitable for fans with different power requirements.<br/>5.Wide range of use: This type of control board is widely used in small handheld fans powered by lithium batteries, with the advantages of high integration and low cost, suitable for the design requirements of portable devices.</p><p>Parameters: <br/>Product name: boost board 9v charging fan control board<br/>Gear: the red light for 5v in gear 1 is on, the green light for 7v in gear 2 is on, and the blue light for 9v in gear 3 is on<br/>Input: type-c 5v<br/>Output: voltage -1st level 5v; 2nd level 7v; 3rd level 9v; 4th level shutdown cycle, current should not exceed 0.6a<br/>Button height: 6mm<br/>Aperture diameter approximately: 2.5mm<br/>Product size: 35.6mm*27mm<br/>Battery end: with ph2.0 female socket, connected to 4.2v ternary lithium battery or polymer lithium battery, such as 18650 lithium battery, with reverse protection at the battery end (shipping wiring, if using this wire to connect to the fan end, you need to switch the red and black directions of the wire yourself)<br/>Connected to a 3.7v lithium battery with a charging power of 5w, supporting simultaneous charging and discharging. If not equipped with a battery, it can only operate in the lowest gear.<br/>Fan end: Equipped with a ph2.0 female base, can be connected to a 5-8 inch brushless motor, with a third speed output of 9v 600ma, and the fan end has reverse protection</p><p>Package include:<br/>Control board*1<br/>Line*1<br/><br/></p></div></div><p><br/></p>