Description
All-in-One Lithium Battery Management & Boost Solution
Streamline your DIY electronics projects with this efficient 3.7V Lithium Battery Charge/Discharge Integrated Module. Designed for hobbyists, students, and engineers, this compact PCB board combines charging, discharging, and voltage boosting capabilities into a single, reliable unit. Whether you are building a portable speaker, a smart sensor, or a custom handheld device, this module ensures your 18650 or 21700 lithium-ion cells operate safely and efficiently by maintaining optimal voltage levels and preventing over-charging or deep discharge.
Key Features & Benefits
- Integrated Charge/Discharge Control: Automatically manages the charging and discharging cycles of 3.7V lithium-ion batteries, extending battery life and ensuring safe operation.
- 5V Boost Output: Converts the 3.7V-4.2V battery voltage to a stable 5V output, making it perfectly compatible with microcontrollers like Arduino, Raspberry Pi Zero, and other 5V logic devices.
- 2A High-Current Capacity: Supports up to 2A of output current, providing sufficient power for demanding applications such as mobile power backup, LED lighting, and motor drivers.
- Comprehensive Protection: Built-in safeguards against over-voltage, under-voltage, over-current, and short circuits to protect both the battery and your connected electronics.
- Compact DIY-Ready Design: Small footprint PCB with clear labeling and easy solder points, ideal for integration into custom enclosures and portable projects.
Perfect for Your Next Project
This module eliminates the need for separate charging boards and boost converters, reducing component count and simplifying circuit design. With its robust performance and user-friendly layout, it is the ideal choice for creating battery-powered solutions that require consistent 5V power delivery from a single lithium cell. Experience the convenience of a complete power management system in one small, affordable board.






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