This is a charging module for the lithium-ion battery with a maximum output of 1A.Note 1: Apply a voltage of more than 5.2 VDC may reduce the efficiency of the board and destroy the board. Please use it with caution.Note 2: To increase to charging rate, the connection wires must be as short as possible to reduce resistance.Caution: Do not reverse the output polarity, it may damage your battery.Chipset: for TP4056Input voltage: 4.5 to 5.5 VDCOutput current: 0.1 to 1 A (Adjustable)Fully charged voltage: 4.2 VDCInput connector: TYPE-C/Micro-USBColour: blueMaterial: plastic + metalSize: 2.2x1.7cmPackage Contents:100 * for TP4056 Lithium Battery Charger Module Charging BoardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.