5V 18650 Lithium Battery Charge Discharge Boost Module

5V 18650 Lithium Battery Charge Discharge Integrated Boost Module

Power your DIY electronics projects with confidence using this compact 5V Charge Discharge Integrated Module for 18650 Lithium Batteries. Combining charging, discharging, and boost conversion in a single SMD board, this all-in-one module delivers a stable 5V output — perfect for powering microcontrollers, sensors, Arduino builds, portable chargers, and other low-voltage electronics. Its integrated protection circuit helps safeguard your battery and connected devices against overcharge and over-discharge conditions.

Key Features

• All-in-One Design: Integrates charge, discharge, and boost circuitry in one compact SMD module — simplifies your circuit builds.
• 5V Output: Stable 5V boosted output suitable for USB-powered devices, microcontrollers, and DIY electronics.
• USB Charging Support: Available in 2.4A 5V and 5V with USB variants for flexible charging options.
• 18650 Lithium Battery Compatible: Designed specifically for standard 18650 lithium cells — the most popular format for DIY power banks and portable projects.
• Integrated Protection: Built-in protection helps guard against overcharge and over-discharge, extending battery life and improving safety.
• Operating Temperature: Rated for 0–120°C operating range, suitable for a wide variety of project environments.
• Compact SMD Package: Small form factor makes it easy to embed into enclosures, wearables, and portable builds.
• Customizable: Supports customization to fit your specific project requirements.

Specifications

What's in the Box?

• 1 × 5V Charge Discharge Integrated Boost Module (18650 Compatible)

Perfect For

• Arduino, Raspberry Pi, and other microcontroller projects
• DIY portable power banks
• Wearable electronics and IoT builds
• Hobbyist and maker projects requiring a reliable 5V boost supply

Looking for more components and materials for your DIY builds? Check out our Round Aluminum Wire for DIY Making or explore our CCB Flat Round Spacer Beads for DIY Projects.

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What does the 5V 18650 Lithium Battery Charge Discharge Boost Module do?

A: This module integrates three functions in one board: it charges an 18650 lithium battery, manages discharging with built-in protection, and boosts the output voltage to a stable 5V — making it ideal for powering USB devices and DIY electronics projects directly from a single 18650 cell.

Q: Which 18650 battery variants are compatible with this module?

A: This module is designed for standard 18650 lithium-ion cells. It is available in two variants: a 2.4A 5V version and a 5V with USB version, giving you flexibility depending on your charging and output needs.

Q: Is this module safe to use in enclosed DIY project enclosures?

A: Yes. The module features an integrated protection circuit that helps guard against overcharge and over-discharge. Its SMD form factor is compact enough for most enclosures, and it is rated for an operating temperature range of 0–120°C. Always ensure adequate ventilation and follow safe electronics assembly practices in your builds.

Q: Can this module be used to build a DIY portable power bank?

A: Absolutely. This is one of the most popular use cases. With its all-in-one charge, discharge, and 5V boost capability, you can pair it with a single 18650 cell to create a compact portable power supply for microcontrollers, sensors, or USB-powered devices.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.