Jmx-fn03-u1.2 3 Step Fan Speed Control Mini Rechargeable Fan Circuit 3.7v-4.2v Small Fan Motherboard Low Voltage Fan Circuit 3.7v Circuit Rechargeable Circuit With 3 Level Speed Control For 18650 Battery 3.7v Battery 4040 Aluminum Profile Connector Joint child-safe packaging that meets all

child-safe packaging that meets all Australian Government safety regulations

it features auto power-off to help conserve battery life

Versatile Compatibility: Works with a wide range of devices

making it efficient for cooling devices by providing direct airflow

it may lead its lead wire disconnected

Jmx-fn03-u1.2 3 Step Fan Speed Control Mini Rechargeable Fan Circuit 3.7v-4.2v Small Fan Motherboard Low Voltage Fan Circuit 3.7v Circuit Rechargeable Circuit With 3 Level Speed Control For 18650 Battery 3.7v Battery 4040 Aluminum Profile Connector Joint child-safe packaging that meets allShort description: Compact PWM dimmer for brushed DC motors and a controller for 3. 7V single cell battery charging not a boost converter (no coil inductor). The JMX FN03 U1. 2 is a compact PWM controller designed for motor speed control and simple 3. 7V single cell charge control tasks. It outputs a pulse width modulated signal for smooth, efficient control of brushed DC motors and can be used in basic battery charging arrangements when paired with