2pcs Type-C USB 5V 2A Boost Converter Step-Up Power Module

Want to build your own Type-C power bank? This 5V 2A boost charger module is exactly what you need. It integrates lithium battery charging and 5V boost output into one compact board. Type-C input with power path management supports simultaneous charging and discharging. The module features comprehensive protection – auto cut-off when fully charged. An external button allows you to control the output on/off. Choose the Standard version if you enjoy soldering, or the Soldered version for immediate use. Perfect for DIY power banks, portable device power supplies, or emergency backup power.

Quick Start Guide & Important Tips

What It Does & What You Need

This module does：Charges 3.7V/4.2V Li-ion batteries, boosts to 5V 2A output, button-controlled output.

This module is NOT：A direct phone charger (requires a battery), nor does it accept input >5.5V.

Wiring & Usage Guide

1. Connect Battery：B+ → battery positive (red), B- → battery negative (black). Polarity matters! Reversing will damage the module.

2. Charging：Plug a 5V charger (5V/2A+) into Type-C port.

3. Discharging (Button Control)：

Connect a button between K point and GND

Short press once：Turn on 5V output.

Short press twice in a row：Turn off 5V output.

4 Power Path：Charging and discharging can work simultaneously – great for UPS applications.

️ Important：

To change the charge cut-off voltage (4.2V/4.35V), power off the module first! Use the solder pads on the back.