High-quality TP4056 charging module for 3.7 V lithium-ion or lithium-polymer batteries.

Available in multiple quantity packs (1 to 10 pcs) — perfect for DIY makers, battery repair shops, or small electronics projects.

Each module includes:

Constant-current / constant-voltage charging (CC/CV)

Automatic charge cutoff at 4.2 V

LED charging indicators (RED = Charging, BLUE/GREEN = Full)

Optional built-in protection circuit (over-charge / discharge / short-circuit)

Micro-USB or Type-C input connector

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Available Packs

Quantity Option Pack Details

1x Single Piece

2x Pack of 2 Modules

3x Pack of 3 Modules

4x Pack of 4 Modules

5x Pack of 5 Modules

10x Value Pack – 10 Modules

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Technical Specifications

Parameter Description

Input Voltage 4.5 V – 5.5 V (USB)

Charge Voltage 4.2 V ± 1%

Charge Current 1 A (Default)

Battery Type Single-cell 3.7 V Li-ion / Li-Po

Connector Micro-USB / Type-C (depending on model)

Protection Over-charge, Over-discharge, Over-current

Indicator LED status lights

Size Compact PCB module

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Features

Works with any 3.7 V Li-ion cell (e. g. , 18650, 14500, Li-Po)

Simple USB input – plug and charge

Compact, reliable, and easy to integrate

Excellent for DIY electronics, Arduino, Raspberry Pi, battery backup units, and portable power banks