In order to Charge your Li-ion battery, this device needs 5V Micro USB power supply, and this will charge the battery directly. RED led Glows while charging, BLUE Led glows when Full. 

Product Description

• Onboard the TP4056 lithium charge management chip
• The charging D1 indicator lights, charging is completed D2 indicator
• Onboard MICRO USB head can directly link computer USB port charging
• The charging board can also be powered by pin (IN + and IN-)
• Reserved the TEMP pin header, and can be used as a lithium battery temperature detection
• PCB board size: 3.73 (cm) x1.5 (cm)/1.46”X0.59”
• Input voltage: 4V-8V maximum output charging current: 1000mA

Power: Medium Power
Brand Name: TP4056Usage:
Zener DiodeStructure: PNPSpecial Function: Common Point Contact DiodeFrequency: High FrequencyType: Power ModuleConstruction: Planar Type

Material: Silicon

Install Style: SMD

Function: Power Triode

Model Number: TP4056