Description: Features: 100% brand new and high quality. The module uses a very mature charge chip 4056, the external circuit is simple, good protection, high charging accuracy. This module is mechanical automated processing, all-chip parts manufacturing, each module will be tested before shipment, high reliability. The module current can be adjusted, as long as the change in the circuit board fixed resistance, you can change the output caused 100mA-1000mA, very convenient. Specifications: Module name: Lithium battery charging board Material: Electronic components Color: shown as pictures Size: 2.81.6cm/1.100.63in (Approx.) Charging mode: linear charging Charge current: 1A (adjustable: change the fixed resistor in the circuit board, you can change the output to 100mA-1000mA) The maximum output current(OUT+,OUT-) :2.3A Charging accuracy: 1.5% Input voltage: 4.5V-5.5V Full charge voltage: 4.2V (4.1-4.2) Charge indication: red light charge blue (green) lamp full charge Input interface: MICRO USB Operating temperature: -10 to +85 Can reverse: can not reverse Quantity: 1 PC Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: (No retail package) 1 X Lithium Battery Charger Protection Board Module