TP4056 Micro USB 5V 1A 18650

Lithium Battery Charger Board with Overcharge, Over-Discharge & Over-Current Protection – AU Stock

Overview

The TP4056 Mini Li-ion Battery Charger Board is a compact and intelligent charging solution designed for single-cell lithium batteries (including 18650 cells) and multi-section parallel configurations. Built around the reliable TP4056 chip, this module integrates charging management with comprehensive over-charge, over-discharge, and over-current protection to significantly extend battery life and ensure safe operation. Featuring both a Micro USB port and solder pad inputs, it is ideal for DIY projects, portable power supplies, and upgrading rechargeable systems—delivering dependable performance in a small footprint.

Key Features

✅ Advanced Protection IC: TP4056 chip provides constant current/constant voltage charging with built-in thermal regulation.
✅ Triple Protection: Over-charge (4.2V cut-off), over-discharge (2.5V), and over-current (3A) safeguards.
✅ Dual Input Options: Micro USB connector or solder pads for flexible 5V power supply connection.
✅ LED Status Indicators: Red charging light and blue fully charged light for easy monitoring.
✅ Compact Design: Ultra-small form factor (26mm x 17mm) fits seamlessly into tight spaces.

Specifications

Chip	TP4056
Input Voltage	DC 5V
Charging Cut-off Voltage	4.2V ±1%
Maximum Charging Current	1A
Over-Discharge Protection Voltage	2.5V
Over-Current Protection Current	3A
Board Dimensions (L × W)	26 × 17 mm (1.02 × 0.67 inch)

⚠ Important Note

This board is designed for lithium batteries only (e.g., 18650, 14500). Do not use with NiMH, NiCd, or lead-acid batteries. Ensure correct polarity when wiring. The charging current is set to 1A maximum; for higher currents, additional heat sinking may be required. Always monitor the charging process in a fire-safe environment.

Package Includes

1 or 2 or 5 or 10 × TP4056 Micro USB 5V 1A 18650 Lithium Battery Charger Board(s)

Need Assistance?

We are committed to your satisfaction! If you have any questions about this product or your order, please don't hesitate to contact us. Our team is here to help.

Shipping

We currently ship within Australia only.
Orders are processed and dispatched as soon as possible (usually within 12 hours after payment is cleared).
Please note that Australia Post delivery times are estimates only and may vary due to location, weather, or postal delays.
We use Australia Post Domestic Regular Letter (Untracked) for some items. This is sent as a standard post letter and does NOT include tracking.
If your item has not arrived within 2 weeks, please contact us and we will assist you.
Free postage includes packing and fast dispatch via Australia Post where applicable.
Occasionally, Australia Post sorting facilities may not update tracking or scan events consistently. Please do not worry — we will ensure your order is delivered.

Returns

We offer a 60-day return policy. Please contact us within 60 days of receiving your order if you have any issues or wish to return the item.
All returned items must be in original packaging and include all accessories.
Please provide your eBay ID, reason for return, and tracking number (if applicable).
Refunds will be issued for the full item amount upon receipt and inspection, after both buyer and seller cancel the transaction on eBay, or a replacement can be arranged.
Buyer is responsible for return shipping costs.

Important Notes (Electronic Modules / DIY Parts)

For electronic modules and DIY components, please test the item as soon as you receive it.
If there are any genuine quality issues, please contact us immediately and we will provide a suitable solution.
However, we do not provide warranty or support for damage caused by:
- Use outside of the intended design/specification
- Circuit modifications or alterations
- Incorrect wiring or misuse
- Over-voltage, over-current, or improper handling