TP4056 5V 1A Micro USB Charger with Current Protection for Li-ion Rechargeable Battery

The TP4056 5V 1A Micro USB Charger with Protection is a highly efficient charging module designed specifically for 18650 Li-ion rechargeable batteries. Equipped with a micro USB input, this module provides a simple, reliable solution for charging Li-ion batteries with a constant current/constant voltage (CC/CV) charging algorithm. Its built-in protection circuitry ensures overcharge, over-discharge, and overcurrent protection, enhancing safety and battery life. Perfect for DIY electronics, power banks, and portable devices, this module offers versatile functionality.

Specifications

• Input Voltage: 4.5V to 5.5V DC (Micro USB)
• Charging Current: 1A (adjustable via onboard resistor)
• Charging Method: Linear charge
• Charging Voltage: 4.2V ± 1%
• Battery Protection: Overcharge, over-discharge, overcurrent
• Indicator LEDs: Red (charging), Blue (fully charged)
• Dimensions: 28mm x 18mm x 6mm
• Weight: Approx. 3 grams
• Connector Type: Micro USB input, solder pads for battery connections

Key Features

• Convenient USB Charging: Micro USB input for easy connection with any USB power source (e.g., computers, USB adapters).
• Efficient CC/CV Charging: Optimized for safe charging with 18650 Li-ion batteries.
• Protection Circuitry: Safeguards batteries from overcharge, over-discharge, and overcurrent, ensuring safe and reliable operation.
• LED Indicators: Red for charging, blue for fully charged status.
• Adjustable Current: Modify charging current by changing the onboard resistor for various battery capacities.
• Compact Design: Lightweight and compact for seamless integration into projects.
• Versatile: Ideal for DIY projects, power banks, and portable electronics.

Applications

• DIY Power Banks: Build your own portable power solutions with safe, reliable battery charging.
• Portable Electronic Devices: Charge and protect Li-ion batteries in handheld gadgets, wearables, and more.
• Solar Battery Chargers: Use with solar-powered devices to safely store energy in Li-ion batteries.
• Robotics: Perfect for portable power management in robots and other electronic projects requiring Li-ion batteries.
• Battery Backup Systems: Integrate into UPS systems for battery charging and protection.
• Home Automation Projects: Use for low-power devices and smart home projects requiring reliable battery solutions.
• Prototyping and Electronics Hobbies: Great for engineers, hobbyists, and makers who need flexible battery charging solutions for their prototypes.

The TP4056 5V 1A Micro USB Charger offers convenience, safety, and flexibility, making it an essential tool for any Li-ion battery-powered project.