Features:
This module is used for single-cell lithium or lithium multi-section parallel, charging ports can take power from USB.
It can be used for voltage 3.6 3.7V, etc. 18650, polymer and other lithium battery charge and discharge protection.
MINI USB input terminal with a female, can be directly input to do with the phone charger rechargeable lithium battery, and still retains the input voltage wiring pads, can be very convenient DIY.

Description:
This linear charger board allows you to charge lipo battery using either a Mini USB connector or a 4.5V – 5.5V input.

Specifications:
Red: Charging
Green: Fully Charged
Input Voltage: 4.5V – 5.5V
Charge Voltage: 4.2V
Charging Precision: 1.5%
Dimensions: 22mm x 16mm
Net Weight: 3 g
Color: blue

Package Included:
1 x   5V Mini USB 1A TP4056 Lithium Battery Module