5V USB Power Bank Lithium Battery Charging Module (134N3P)

5V USB Power Bank Lithium Battery Charging Module

A compact all-in-one lithium battery charging and boost module, perfect for DIY power bank projects and portable electronics. Features a Micro USB input for charging and a USB-A output delivering a stable 5V supply.

Key Features

• Micro USB input for easy charging
• USB-A output at 5V for powering devices
• B+ / B- solder pads for direct lithium cell connection
• Dual LED indicators for charging and full-charge status
• Compact PCB design — easy to integrate into enclosures
• Built-in overcharge and over-discharge protection

Specifications

• Input: 5V via Micro USB
• Output: 5V via USB-A
• Compatible Battery: 3.7V Lithium Ion / LiPo
• Indicator: LED1 (Charging), LED2 (Full)

Applications

• DIY power bank builds
• Arduino / ESP32 portable projects
• Solar charging systems
• Backup battery modules