Description

Product Features:

Charging Protection: Prevents battery overcharging and over-discharging, with automatic control of charging current for enhanced battery protection.
Type-C Female Interface: Features a Type-C receptacle for convenient DIY applications, preserving input voltage soldering points.

Product Specifications:

Input Voltage: 4.5V-5V
Maximum Charging Current: 1000mA
Charging Cut-off Voltage: 4.2V±1%
Battery Over-Discharge Protection Voltage: 2.5V/3A
Board Dimensions: 2.8cm*1.7cm

Usage Instructions:

Connect the Type-C receptacle and the adjacent + and - solder pads as the power input. Supply 5V input voltage. Connect B+ to the positive terminal of the lithium battery and B- to the negative terminal. Connect OUT+ and OUT- to the load, such as a boost module. Once the battery is connected to B+ and B-, plug in a mobile phone charger to the USB port. The blue light will illuminate, indicating the power source is connected, and the red light will flash, indicating charging is in progress. After charging is complete, the red light will stop flashing and remain steady.

You can connect a load to OUT+ and OUT-, and the red light will stay on continuously. When there is a power source connected to the input, the current is supplied from the power source. If there is no input power, the current is drawn from the battery. The output is automatically turned off if the battery voltage drops below 2.5V.

NOTE：

During the initial connection to the battery, there may be no voltage output at the OUT terminal. In this case, it is necessary to supply 5V to the power input terminal for a brief charge to activate the protection circuit. When using a mobile phone charger as the power source, it is essential to ensure an output of at least 1A; otherwise, normal charging may not be possible.

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TP4056 1A Battery Charging Module

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Product ID: LP705
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Description

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