Product Overview

The Dual Micro USB 18650 LiPo DIY Power Bank Module (3.7V to 5V, 2A Output) is a compact power management module that converts power from a 3.7V rechargeable lithium battery into a stable 5V USB output. It combines battery charging, voltage boosting, and protection functions, making it suitable for creating custom DIY power banks and portable power solutions. The module supports 18650 Li-ion and LiPo batteries and provides reliable power for USB-powered electronic devices.

Key Features

• Converts 3.7V battery input to regulated 5V USB output.

• Supports up to 2A output current.

• Compatible with 18650 Li-ion and 3.7V LiPo batteries.

• Dual Micro USB ports for convenient charging.

• Built-in protection against overcharge, over-discharge, and over-current.

• Includes LED indicators for battery status monitoring.

• Compact design for DIY portable power applications.

• Suitable for electronics projects, embedded systems, and USB-powered devices.

• Technical Specifications

• Product Type: DIY Power Bank Module

• Input Voltage: 3.7V – 4.2V DC

• Output Voltage: 5V DC

• Maximum Output Current: 2A

• Battery Compatibility: 18650 Li-ion / LiPo batteries

• Charging Input: 5V Micro USB

• Output Interface: USB Type-A

• Converter Type: DC-DC Boost Converter

• Protection Features: Overcharge, over-discharge, and over-current protection

• Indicator: LED Battery Level Display

• Dimensions: Approx. 68 × 34.5 × 8.5 mm

• Weight: Approx. 12 g

• Package Contents: 1 × DIY Power Bank Module

Applications

• Charging smartphones and USB-powered devices.

• Power supply for Arduino, Raspberry Pi, ESP32, and IoT projects.

• Portable electronics and battery-powered gadgets.

• Robotics and embedded system projects.

• Educational electronics experiments and prototypes.

• DIY power bank construction.