Fairy Light Power Conversion Box with 18650 Lithium Cells
admin | 25.12.2025
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This model features a power conversion box designed for fairy lights, utilizing two 18650 lithium cells in parallel.
Key Features:
- Cell Type: 18650 Lithium
- Charging: Type-C
- Output: 3V DC for fairy lights
Required components for assembly:
- Two 18650 lithium cells
- Spring contacts
- 3V LDO (e.g., DD0403MA)
- 10x15mm switch
- TP4056 module with protection wires
There is a hole for fairy light connection, and I implemented a connector for easy detachment of the box for charging. The model is printed without supports.
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Information
- Author: admin
- Date: 25.12.2025
- Category: Other
- Views: 23
- Downloads: 24
- Likes: 0
- Images: 12
- Files: 2
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