1x 18650 Lithium Ion Battery Holder Shield V3

Overview

The 1x 18650 Lithium Ion Battery Holder Shield V3 is a compact power module designed to hold a single 18650 lithium-ion cell and deliver stable regulated power for embedded systems and portable projects. This battery holder shield provides both 5V and 3.3V regulated outputs, a built-in charging circuit, and safety protections, making it an ideal power solution for makers and developers.

Key Features

• Holds 1x 18650 lithium-ion cell (not included)
• Regulated outputs: 5V and 3.3V for sensors, modules, and development boards
• Built-in charging circuit with Micro USB or Type-C input (version dependent)
• Integrated protection circuits: overcharge, over-discharge, and short-circuit protection
• Compact shield-style form factor for easy mounting and integration
• Ready to power Arduino, ESP8266, ESP32, Raspberry Pi Pico, and similar boards

Built-in Charging and Protection

This V3 battery shield includes a built-in charger so you can safely recharge the installed 18650 cell without removing it. Choose the Micro USB or Type-C input depending on the version you buy. Protection circuitry helps extend battery life and prevents dangerous conditions:

• Overcharge protection to stop charging at safe voltage
• Over-discharge protection to prevent deep discharge damage
• Short-circuit protection for safe operation in prototypes and portable builds

Technical Specifications

• Battery Type: 1x 18650 lithium-ion cell (not included)
• Input: Micro USB or Type-C (version dependent)
• Outputs: Regulated 5V and 3.3V
• Protection: Overcharge, over-discharge, short-circuit
• Form Factor: Compact shield-style module for DIY projects and development boards

Compatibility and Applications

The 1x 18650 Battery Holder Shield V3 is designed for a wide range of applications where portable, reliable power is required:

• Portable power for Arduino, ESP8266, ESP32, and Raspberry Pi Pico
• IoT devices and wireless sensor nodes
• Robotics, wearables, and small electronic projects
• Prototyping and testing modules during development

Shield Image and Layout

View the shield layout and connector placement for easy integration into your project:

Why choose the 1x 18650 Battery Holder Shield V3

This battery holder shield balances convenience, safety, and compatibility. With its built-in charger and dual regulated outputs, it removes the need for separate power modules and simplifies portable deployments. Whether you are powering an Arduino project, an ESP32 IoT node, or a wearable prototype, the 1x 18650 Lithium Ion Battery Holder Shield V3 offers a reliable power platform optimized for makers and professionals.