18650 Lithium Power Bank Module 5V 2.4A with Digital Display
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Prices updated: 13 Oct 2026
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About this product
A power bank module for 18650 lithium cells that charges the cell and provides a 5V USB output, with a digital display. It includes overcharge, over-discharge and overload protection, and suits building a portable USB power bank for phones and small electronics.
Specifications
- Input
- 5V 2.1A
- Output
- 5V/1A or 5V/2.4A (Quick Charge)
- Battery type
- 18650 lithium
- Protection
- Overcharge, over-discharge, overload
- Size
- 66 x 18 x 16mm
Frequently asked questions
Which battery does it use?
It is designed for 18650 lithium cells. Confirm the cell's voltage and capacity suit your project and that the cell is connected with correct polarity.
What input do I need to charge it?
The listing gives a 5V 2.1A input. Use a 5V USB source rated for at least 2.1A when charging.
