DESCRIPTION This charging module charges a battery with a rating of 1A. Red LED will indicate charging, and green LED will indicate fully charged. In addition, it is normal that the chip will feel hot when charging. The working temperature of the chip is around 60°C. The charging module DC-DC Step Up Boost Converter is a compact and efficient power conversion module that utilizes a step-up (boost) converter topology to convert the input voltage from 3.7V to an adjustable output voltage of 4.3V to 12V, making it compatible with a wide range of Arduino, ESP82666, and ESP32 projects providing reliable power supply for your electronic projects. TECHNICAL DETAILS Input Voltage: 4.5V - 8V Adjustable Output Voltage: 4.3V to 12V Charging Voltage: 4.2V Charging Current: 1A Discharge Current: 5V 1.4A, 9V 0.8A, 12V 0.6A Idle Current: 0.5mA Dimensions: 33mm x 23mm x 9mm SHIPPING LIST 1x Charging Module TP4056 Type-C with Boost