5V Lithium battery charging and protection integrated board with 1000mA charging and 3A protection

This integrated circuit board provides a comprehensive solution for managing single-cell lithium batteries in DIY electronics projects, combining charging functionality with essential protection features. By integrating both charging control and safety monitoring onto one compact PCB, it eliminates the need for separate charging modules and protection circuits. The board accepts 5V input power to charge lithium batteries safely, automatically cutting off at 4.2V ±1% to prevent overcharging. This all-in-one approach simplifies project design while ensuring battery safety through multiple protection mechanisms that operate during both charge and discharge cycles.

Features and Construction

This integrated board combines several battery management functions into a single compact unit designed for straightforward implementation. Its feature set focuses on practical battery handling with built-in safety considerations.

Material and Build

The board consists of a standard printed circuit board populated with surface-mount and through-hole electronic components necessary for battery management. The blue PCB colour provides visual distinction in project assemblies. Component selection and layout follow typical battery management circuit design principles, though specific chip models aren't detailed in the source information. The construction prioritises functional integration over aesthetic considerations, with component placement optimised for the board's 2.6 by 1.7 cm footprint.

Size and Practical Fit

Measuring just 2.6 cm by 1.7 cm, this board occupies minimal space in project enclosures or prototypes. The compact dimensions make it suitable for applications where internal space is constrained, such as portable devices or small electronic assemblies. Its rectangular shape with standard PCB thickness allows for straightforward mounting using standoffs or adhesive pads. The small size doesn't compromise functionality, as it still incorporates charging control, voltage regulation, and multiple protection circuits within this footprint.

Uses and Placement

This board serves as a versatile component in various electronics applications where lithium battery management is required.

Event or Professional Use

In professional prototyping or product development scenarios, this integrated board provides a tested battery management solution that reduces design validation time. It's particularly useful for proof-of-concept builds where reliable battery charging and protection are needed without designing custom circuitry. The specified protection thresholds (2.5V for over-discharge, 3A for overcurrent) offer predictable behaviour for system integration. Educational settings benefit from its all-in-one nature when teaching battery management principles, as students can observe complete charging/protection systems without multiple discrete modules.

Everyday Home Use

For DIY electronics enthusiasts and makers, this board simplifies adding battery power to projects like portable speakers, custom lighting, or small robotic builds. The integrated design means fewer connections and simplified wiring compared to separate charging and protection modules. Home workshops can utilise it for repairing or modifying battery-powered devices where the original charging circuit needs replacement. The 5V input compatibility works with common USB power sources and standard phone chargers, making power sourcing straightforward without specialised equipment.

Benefits and Buying Value

This product offers practical advantages through integration and specified performance parameters.

Reuse and Low Maintenance

The board's solid-state design with no moving parts contributes to reliable operation without routine maintenance requirements. It can be integrated into multiple projects over time if carefully desoldered and reused. The protection features help extend battery lifespan by preventing damaging conditions like deep discharge, potentially reducing battery replacement frequency in projects.

Why Choose This Product

This board provides verified integration of charging and protection functions with documented specifications including 1000mA charging current, 3A overcurrent protection, and 2.5V discharge cutoff. Compared to separate modules, it reduces component count and connection points that could introduce failure modes. The compact 2.6x1.7 cm size makes it suitable for space-constrained applications where separate modules wouldn't fit. The specified voltage and current thresholds offer predictable performance for system design without guesswork.