TP4056 1A Li-Ion Battery Charging Module Micro USB

TP4056 1A Li-Ion Battery Charging Protection Module (Micro USB) – Compact Charging Solution for 3.7V Lithium Batteries The TP4056 1A Lithium-Ion Battery Charging Module with Micro USB input is a compact and efficient charging solution for single-cell 3.7V Li-ion or Li-Polymer batteries. Built around the TP4056 charging IC and DW01A protection IC, this module not only charges batteries safely via constant current/constant voltage (CC/CV) method but also includes overcharge, over-discharge, and short-circuit protection. Ideal for DIY electronics, battery-powered projects, and portable devices, this module provides a safe, reliable, and easy way to manage lithium battery charging. Product Specifications Feature Specification Module Name TP4056 Micro USB Charging Module Input Voltage 4.5V to 5.5V (via Micro USB or IN /- pads) Charge Current 1A (default), configurable via Rprog resistor Battery Type Single-cell 3.7V Li-ion / Li-Po Battery Charging Method Constant Current / Constant Voltage (CC/CV) Charging Cut-Off Voltage 4.2V ± 1% Protection Features Overcharge, Over-discharge, Overcurrent, Short-circuit Connector Type Micro USB solder pads (IN , IN-) Dimensions Approx. 25mm x 18mm x 4mm Key Features Micro USB Charging PortAllows easy connection to standard USB chargers or power banks for flexible power input. Built-in Battery ProtectionIntegrated DW01A protection IC and dual MOSFETs guard against overcharge, over-discharge, and short-circuit conditions. Status Indicator LEDsDual onboard LEDs show charging (red) and fully charged (blue) status for real-time feedback. 1A Charging CurrentProvides fast and efficient charging for a wide range of lithium batteries up to 1000mAh or more. Compact and Lightweight DesignSuitable for wearable and space-constrained applications. Benefits Safe Battery ChargingEnsures the battery is charged within safe voltage and current limits to prolong life and performance. Plug-and-Play OperationMicro USB interface allows immediate use with common USB power sources. Ideal for Portable ProjectsEasily integrates into mobile electronics, IoT devices, or DIY battery packs. Adjustable Charge CurrentRprog resistor can be replaced to customize charge current based on battery specs. Applications DIY Power BanksBuild custom USB power sources or solar charging packs. Portable IoT DevicesPower sensors, trackers, or Bluetooth modules with rechargeable lithium batteries. Battery-Powered Embedded SystemsCharge and protect lithium cells used in Arduino, ESP32, or Raspberry Pi projects. Wearable ElectronicsSafely manage charging in compact, body-worn devices. Rechargeable LED Lights or ToysIntegrate safe and efficient charging in consumer or hobby products.