---
product_id: 603298103
title: "DaFuRui 2A 5V Charge Discharge Integrated Module，6Pack 3.7V 4.2V for 18650 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module"
brand: "dafurui"
price: "FREE"
currency: TWD
in_stock: false
url: https://www.desertcart.tw/products/603298103-dafurui-2a-5v-charge-discharge-integrated-module-6pack-3-7v
store_origin: TW
region: Taiwan
---

# 5V Input Voltage 4-in-1 Functionality Safety Protections DaFuRui 2A 5V Charge Discharge Integrated Module，6Pack 3.7V 4.2V for 18650 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module

**Brand:** dafurui
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power Up Your Life with Confidence!

## Quick Answers

- **What is this?** DaFuRui 2A 5V Charge Discharge Integrated Module，6Pack 3.7V 4.2V for 18650 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module by dafurui
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/603298103-dafurui-2a-5v-charge-discharge-integrated-module-6pack-3-7v)

## Best For

- dafurui enthusiasts

## Why This Product

- Trusted dafurui brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **📊 User-Friendly Design:** Easy connections and low-level trigger for seamless operation.
- • **⚡ Quick and Efficient Charging:** Designed for rapid charging with a recommended input of 5V.
- • **🔌 Versatile Charging Solutions:** Perfect for powering your devices on-the-go!
- • **🚗 Ideal for Various Applications:** Perfect for vehicles, power banks, and portable devices.
- • **🛡️ Comprehensive Safety Features:** Over-current, over-voltage, and short circuit protection ensure peace of mind.

## Overview

The DaFuRui 2A 5V Charge Discharge Integrated Module is a high-quality, versatile solution for charging and discharging 18650 lithium batteries. It features a 4-in-1 design that includes battery protection and a level indicator, ensuring safe and efficient operation across various applications, from mobile power supplies to vehicle charging transformations.

## Description

1

## Features

- Excellent Quality 4 in 1 Charging / Discharging / Lithium Battery Protection / Battery Level Indicator Module. Lithium battery protection function: over-current, overvoltage, over-temperature, short circuit protection.
- Excellent Quality If you accept a small load KEY can be connected to the microcontroller about 20s to provide a low level allows the module to continue working. Trigger mode: low level trigger (ground)
- Easy to Use VN: input positive pole of charging port (+ DC 4.5V-5.5V (recommended 5V)，GND: Charge C input negative pole-，GND: Lithium battery-
- Accurate Fast BAT: Lithium battery+，GND: output negative pole-，VOUT: output port output positive +，KEY: Output enable trigger port (low pulse trigger)
- Widely Used Vehicle charging transformation, driving recorder, mobile power supply, power bank, mobile phone and tablet and other portable devices.

## Images

![DaFuRui 2A 5V Charge Discharge Integrated Module，6Pack 3.7V 4.2V for 18650 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module - Image 1](https://m.media-amazon.com/images/I/71LUIMKi2NL.jpg)
![DaFuRui 2A 5V Charge Discharge Integrated Module，6Pack 3.7V 4.2V for 18650 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module - Image 2](https://m.media-amazon.com/images/I/71AE24p9-8L.jpg)
![DaFuRui 2A 5V Charge Discharge Integrated Module，6Pack 3.7V 4.2V for 18650 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module - Image 3](https://m.media-amazon.com/images/I/71aRbWsBo2L.jpg)
![DaFuRui 2A 5V Charge Discharge Integrated Module，6Pack 3.7V 4.2V for 18650 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module - Image 4](https://m.media-amazon.com/images/I/711KMB83ZiL.jpg)
![DaFuRui 2A 5V Charge Discharge Integrated Module，6Pack 3.7V 4.2V for 18650 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module - Image 5](https://m.media-amazon.com/images/I/61j2CFUI6qL.jpg)

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**Shop now:** [https://www.desertcart.tw/products/603298103-dafurui-2a-5v-charge-discharge-integrated-module-6pack-3-7v](https://www.desertcart.tw/products/603298103-dafurui-2a-5v-charge-discharge-integrated-module-6pack-3-7v)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-02-05*