18650 Dual Battery Shield / Power Bank Module with USB Output

18650 Dual Battery Shield / Power Bank Module

The 18650 Battery Shield is a versatile dual-slot power bank module that holds two 18650 Li-ion cells and provides a regulated 5V USB-A output. Includes a Micro USB charging port and a short blue USB cable. Ideal for powering Arduino, ESP32, NodeMCU, and other microcontroller projects on the go.

What's Included

• 18650 Dual Battery Shield module
• Short blue USB-A to Micro USB cable

Key Features

• Holds 2x 18650 Li-ion cells (batteries not included)
• USB-A 5V output for powering devices
• Micro USB input for charging batteries
• Onboard charge/discharge protection circuit
• Compact black PCB design
• Compatible with Arduino, ESP32, NodeMCU, Raspberry Pi Zero

Specifications

• Battery Slots: 2x 18650
• Output: USB-A 5V
• Charging Input: Micro USB
• Protection: Overcharge, over-discharge, short circuit
• Note: 18650 batteries not included

Applications

• Portable Arduino / ESP32 projects
• DIY power bank builds
• IoT field devices and remote sensors
• Robotics and wearable electronics