This 18650 lithium battery charging board is designed for efficient and safe charging of lithium-ion batteries. It supports linear charging with a current adjustable up to 1A, ensuring precise control with a charging accuracy of 1.5%. The input voltage ranges from 4.5V to 5.5V, making it compatible with standard power sources.

The charging module features a clear LED indicator: red lights up during charging, and green signals a full charge. It includes a micro USB, mini USB, and Type-C interface for versatile connectivity options. The device operates reliably in environments with temperatures between -10° and +85° Celsius.

Safety is a priority, with built-in protection against reversed polarity. This charging board is ideal for those who need a dependable solution to maintain and charge lithium batteries using common USB interfaces.