TP4056 5V 1A Mini USB Charger with Current Protection

The TP4056 5V 1A Mini USB Charger with Current Protection is a compact and reliable charging module tailored for 18650 Li-ion rechargeable batteries. Designed with safety in mind, it features integrated overcharge, over-discharge, and overcurrent protection to ensure long battery life and safe operation. With a constant current/constant voltage (CC/CV) charging algorithm, this charger guarantees efficient and reliable battery charging. Its Mini USB input offers compatibility with a variety of USB power sources, making it ideal for DIY projects, portable devices, and electronic systems.

TP4056 Module Micro USB version

Specifications

• Input Voltage: 4.5V to 5.5V DC (Mini USB)
• Charging Current: 1A (adjustable via onboard resistor)
• Charging Voltage: 4.2V ± 1%
• Battery Compatibility: 18650 single-cell Li-ion rechargeable batteries
• Protection Features: Overcharge, over-discharge, overcurrent protection
• Indicator LEDs:
  • Red: Charging in progress
  • Blue: Fully charged
• Charging Method: Linear charge with CC/CV algorithm
• Module Dimensions: 25mm x 19mm x 10mm
• Weight: Approximately 3 grams
• Connector Type: Mini USB input; solder pads for battery connections

Key Features

• Integrated Current Protection: Includes overcharge, over-discharge, and overcurrent protection to ensure battery safety and longevity.
• Efficient Charging Algorithm: Employs a constant current/constant voltage (CC/CV) charging method for optimal battery performance.
• Mini USB Input: Compatible with a wide range of USB power sources, such as power banks, USB adapters, and computers.
• Clear Status Indicators: Red and blue LEDs indicate charging status, providing real-time feedback.
• Adjustable Charging Current: Easily modify the charging current by replacing the onboard resistor, and accommodating different battery capacities.
• Compact Design: Small and lightweight module for seamless integration into space-limited applications.
• Versatile Applications: Perfect for DIY electronics, power banks, portable devices, and any project involving 18650 Li-ion batteries.

Applications

• DIY Electronics Projects: Build custom portable devices and electronic circuits.
• Power Banks: Charge and maintain 18650 batteries used in power banks.
• Portable Devices: Use in flashlights, Bluetooth speakers, and other battery-powered gadgets.
• Battery Maintenance: Safely charge and protect 18650 Li-ion batteries for long-term use.
• Electronic Prototyping: Integrate into embedded systems for reliable power management solutions.

The TP4056 5V 1A Mini USB Charger with Current Protection is a must-have for anyone working with 18650 Li-ion batteries, offering a reliable, efficient, and safe charging solution for a variety of applications.