Lithium battery charging and protection integrated board

Input voltage: 5V
Charging cut-off voltage: 4.2V ±1%
Maximum charging current: 1000mA
Battery over-discharge protection voltage: 2.5V
Battery overcurrent protection current: 3A
Board size: 2.6*1.7CM
Lithium Battery Charging and Protection Integrated Board

Compact Power Management for Lithium Batteries
The Lithium Battery Charging and Protection Integrated Board is designed to provide safe, stable, and efficient charging for lithium cells while also protecting them during use. This compact circuit board combines charging control, voltage regulation, and multiple safety protections into one unit, making it ideal for portable electronics, DIY power banks, small appliances, and custom battery-powered projects.

Intelligent Charging Control for Reliable Performance
Equipped with a dedicated charging management chip, the board ensures that lithium batteries charge at the correct rate and voltage. It supports constant-current and constant-voltage charging stages, helping extend battery life while maintaining efficient performance. Whether used for single lithium cells or compatible battery packs, the board helps deliver smooth charging without unnecessary stress on the battery.

Built-in Protection for Safe Operation
Safety is a core feature of this integrated board. It typically includes overcharge protection, over-discharge protection, overcurrent protection, and short-circuit protection. These safeguards help prevent damage from common electrical issues, keeping both the battery and your device safe. By actively monitoring voltage and current levels, the board automatically cuts off or restores power when needed, ensuring safe operation during charging and discharge cycles.

Space-Saving All-in-One Design
By combining charging and protection circuits into a single module, this board eliminates the need for separate components, reducing wiring and saving valuable space inside your device. Its small, lightweight design makes it perfect for compact electronics, handheld gadgets, LED projects, wearable devices, and DIY battery banks. The simple wiring layout helps streamline assembly whether you’re building prototypes or final products.

Ideal for DIY Projects, Repairs, and Custom Builds
The Lithium Battery Charging and Protection Integrated Board is widely used by makers, hobbyists, and technicians looking to power their projects with rechargeable lithium cells. It’s especially useful for rebuilding battery packs, upgrading older devices, or adding charging capability to custom designs. With reliable control, built-in safety features, and a compact footprint, this board offers a practical and essential power solution for lithium battery applications.