TP4056 Li-ion Battery Charging Module is a compact, reliable, and highly efficient charging solution designed specifically for single-cell 3.7V lithium-ion and lithium-polymer batteries. Widely used in electronics projects, DIY prototypes, power banks, IoT devices, and embedded systems, this module offers safe and accurate charging through a standard Micro-USB interface.
Powered by the TP4056 linear charger IC, this module provides a constant current / constant voltage (CC/CV) charging algorithm that ensures optimal battery performance and long service life. Its small form factor, onboard protection features, and user-friendly LED indicators make it ideal for both beginners and professionals working with rechargeable battery systems.
Key Features of TP4056 Charging Module
✔ Optimized Charging Performance
The TP4056 module delivers stable and precise charging for 3.7V Li-ion/Li-Po batteries. It charges batteries up to 4.2V ±1%, preventing overcharging and enhancing battery safety.
✔ Micro-USB Power Input
Equipped with a Micro-USB port, the module can be powered using mobile chargers, power banks, USB adapters, or computer USB ports, offering exceptional convenience and flexibility.
✔ Adjustable Charging Current
The charging current is programmable up to 1A using an onboard resistor. This allows customization based on battery capacity and application requirements.
✔ Integrated Protection Circuit (Selected Variants)
Many TP4056 modules include an overcharge, over-discharge, and short-circuit protection IC, making them ideal for portable and wearable electronics.
✔ LED Charging Status Indicators
Two onboard LEDs provide real-time charging status:
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Red LED – Charging in progress
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Blue/Green LED – Charging complete
This visual feedback simplifies system monitoring.
✔ Compact and Lightweight Design
With a small PCB footprint, the TP4056 module easily fits into space-constrained designs such as handheld devices and compact enclosures.
Technical Specifications
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Charging IC: TP4056
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Battery Type: Single-cell Li-ion / Li-Po
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Battery Voltage: 3.7V nominal
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Charge Termination Voltage: 4.2V ±1%
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Input Voltage: 4.5V – 5.5V
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Charging Current: Up to 1A (adjustable)
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Charging Method: CC/CV
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Input Connector: Micro-USB
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Protection: Overcharge, over-discharge, short-circuit (model dependent)
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Operating Temperature: –10°C to +85°C
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PCB Size: Compact, lightweight design
Applications of TP4056 Li-ion Charging Module
The TP4056 charging module is widely used across multiple electronic applications due to its reliability and ease of integration:
🔹 DIY Electronics Projects
Perfect for hobbyists and makers working on Arduino, Raspberry Pi, and ESP-based projects requiring rechargeable battery power.
🔹 Power Bank Circuits
Commonly used in DIY power bank designs for safely charging and managing single lithium cells.
🔹 IoT & Embedded Systems
Ideal for low-power IoT devices, wireless sensor nodes, and smart home applications where battery charging reliability is critical.
🔹 Portable Consumer Electronics
Used in Bluetooth speakers, wireless headphones, MP3 players, and other compact portable gadgets.
🔹 Wearable Electronics
Suitable for wearables and health monitoring devices due to its compact size and stable charging performance.
🔹 Educational & Training Kits
Frequently included in electronics lab kits and engineering education projects for teaching battery management concepts.
Why Choose the TP4056 Charging Module?
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Ensures safe and efficient charging
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Easy USB power compatibility
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Compact design for embedded applications
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Widely tested and trusted in the electronics community
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Cost-effective solution for battery management
Whether you are building a DIY prototype, upgrading an existing battery system, or designing a portable electronic device, the TP4056 Li-ion Battery Charging Module offers an excellent balance of performance, safety, and simplicity.
Buy the TP4056 Li-ion Battery Charging Module today and power your projects with confidence!
Package Includes:
1 x TP4056 Li-ion Battery Charging Module
FAQ
1. Where can we buy this TP4056 Li-ion Battery Charging Module?
This product is available online https://aiiottech.in/product/tp4056-li-ion-ba…-charging-module/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103
2. When can I get this TP4056 Li-ion Battery Charging Module after placing the order?
RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.
Video Link: 3.7V Li-ion 18650 Battery Charger Module




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