5V 2A Dual USB 18650 Power Bank DIY Module with Digital Display
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Prices updated: 14 Oct 2026
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About this product
A DIY power bank board for 18650 lithium-ion cells, with a Micro USB input and dual USB outputs of 5V 2.1A and 5V 1A. It includes a digital display and protection against overcharge, over-discharge and overcurrent. It is intended for builders who are comfortable with basic electronics assembly.
Specifications
- Input
- Micro USB, 5V 1A / Micro USB، 5 فولت 1 أمبير
- Outputs
- Dual USB, 5V 2.1A and 5V 1A / USB مزدوج، 5 فولت 2.1 أمبير و5 فولت 1 أمبير
- Battery type
- 18650 lithium-ion / ليثيوم-أيون 18650
- Display
- Intelligent digital display / شاشة رقمية ذكية
- Protection
- Overcharge, over-discharge, overcurrent / الشحن الزائد، التفريغ الزائد، التيار الزائد
Frequently asked questions
How do I charge the power bank?
Connect a 5V USB source to the Micro USB input, which is rated at 5V 1A.
What are the two USB outputs rated for?
One output is rated 5V 2.1A and the other 5V 1A, so the 2.1A port is suited to higher-current charging.
