DIY Powerbank 21700 with LED screen
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Description
DIY Powerbank 10.000mAh with screen
NOTE: This project is only for those who have experience with electronics, like soldering and wiring!
DIY Powerbank for two 21700 LI-ON cells in total 10.000mAh.
It consists of two parts, so you can print it in one or two colors. The two parts are screwed together with one M2x10 screws.
Features:
- 1 bi-directional USB-C connector for charge/discharge
- 1 USB-A connector for discharge
- Fast charging possible
- LED display shows percentage of battery level
- push button to manually turn on/off the output. an show the battery level on the display
List of materials:
- screw M2x10 1x
Power Module 1x link:
22.5W Power Bank Bidirectional Fast Charging Mobile Power Module Circuit Board With Digital/Light Type-C USB Suppor PD/QC3.0 2.0 - AliExpress 502
- LION battery 5000mAh 2x link:
21700 3.7V 5000mAh 3C High Drain Rechargeable Battery 1-10Pcs 2025 - 1000+ Cycles CE ROHS for Flashlights/Power Tools/DIY Packs - AliExpress 44 
- 20AWG wire
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License
You may create derivative works based on this object, provided that all such derivative works are published exclusively on the MakerWorld platform and include proper attribution to the original creator. You may not share, upload, host, distribute, or publish this object—or any derivative work of this object—on any other digital platform, marketplace, or distribution channel. Commercial use of this object and any derivative works is strictly prohibited. This includes, but is not limited to, selling, renting, sublicensing, or using the object in any context in which you receive monetary compensation or other financial benefits.
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