Taidacent XKT-R03 DIY Magnetic Induction Charger 5v Charging Module 4_2V Inner Jacket Wireless Charging Wireless Power Supply

Instructions for use This product is designed for wireless charging and power supply development of various series of small electronic products. It has the characteristics of small size, easy to use, high efficiency and low price. Transmitting coil size:inner diameter 23.4mm outer diameter 27mm thickness 3mm Receiver coil size :outer diameter 14.5mm inner diameter 10mm thickness 1.3mm Transmit working voltage:5V Receive output voltage and current4.2V/130mA Transmitter module operating currentautomatically increase or decrease with the receiving load current The receiving module is directly connected to the lithium battery or other various batteries, the maximum power limit voltage is 4.25V/130mA (please write the message in other voltage output) The way of sending and receiving: inner jacket If the small current works, increase the number of receiving coil turns to increase the transmission distance. The receiving board is red when charging, and the red light is off when fully charged. (Note that these modules are directly charging the battery)