Li-ion Lithium Battery Charging Protection Module (TP4056)

Product Overview

The TP4056 Li-ion Lithium Battery Charging Protection Module is a compact, easy-to-use single-cell charger and protection board for lithium-ion and lithium polymer batteries. Combining the proven TP4056 charging IC with onboard safety circuitry, this module is designed for hobbyists, makers, and small-scale portable electronics requiring reliable charging and battery protection.

Why choose this TP4056 module

• Complete charging and protection in one compact board for single-cell Li-ion/LiPo batteries.
• Micro USB 5V input supports charging from common USB chargers and power banks.
• LED status indicators provide clear feedback during charge and completion.
• Adjustable charge current (typically up to 1A) to match battery capacity and project needs.

Key Features

• Single-cell lithium-ion and lithium polymer charger (TP4056 IC)
• Integrated protection: overcharge, over-discharge, short circuit and reverse polarity protection
• Micro USB 5V input compatible with standard USB adapters
• Charge status LEDs for charging and full-charge indication
• High efficiency with low heat generation during normal operation
• Automatic charge-to-standby switching based on battery voltage
• Small form factor for easy integration into portable devices

Specifications

• Charging IC: TP4056
• Input Voltage: 5V DC (via micro USB)
• Charge Current: Adjustable, typically up to 1A
• Battery Type: Single-cell Lithium-ion or Lithium Polymer
• Protection Features: Overcharge, over-discharge, short circuit, reverse polarity
• Charge Status Indication: LED indicators (charging, fully charged)
• Physical: Compact size, lightweight for portable integration

Applications

• Power banks and portable battery pack projects
• DIY electronics and maker projects requiring a single-cell Li-ion charger
• Portable LED lighting and small battery-powered devices
• Battery replacement and prototyping for consumer gadgets

Installation and Usage Tips

1. Use a reliable 5V USB power source rated for the chosen charge current.
2. Set the charge current by changing the programming resistor according to TP4056 datasheet if your battery requires less than 1A.
3. Observe LED indicators: red usually means charging, and blue or green typically indicates full charge (refer to the specific module labeling).
4. Avoid charging batteries that are physically damaged or swollen. Inspect cells before use.
5. Allow some airflow around the module during high current charging to help dissipate heat.

Safety and Compatibility

• Designed for single-cell Li-ion and LiPo batteries only. Do not use with multi-cell packs without appropriate balancing circuitry.
• Integrated protection reduces risk but always handle Li-ion cells with caution and follow battery safety best practices.
• Verify battery connector polarity before connecting to avoid reverse polarity damage.

Benefits

• Reliable and safe charging for hobby and small-scale applications
• Clear visual charging feedback via LEDs
• Compact, low-cost solution for integrating battery management into projects
• Reduces design time by providing ready-made charging and protection circuitry

The TP4056 Li-ion Lithium Battery Charging Protection Module offers a practical, efficient, and safe way to charge single-cell lithium batteries in a variety of projects. Its integrated protection features and simple Micro USB input make it an excellent choice for makers and electronics enthusiasts.

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