Compact 18650 & 16340 Battery Charger Module for TP4056
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Compact 18650 & 16340 Battery Charger Module for TP4056
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Compact 18650 & 16340 Battery Charger Module for TP4056
Model Description
A compact, reliable, and easy-to-print 3D-printed battery holder and charging dock designed specifically for 18650 and 16340 Li-Ion batteries using the popular TP4056 (USB-C) charging board.
Whether you are working on DIY electronics projects, testing cells, or need a dedicated standalone charger, this modular housing keeps your battery and charging board neatly organized and securely in place.
Key Features:
Two Sizes Included: Separate STL files tailored for both 18650 and 16340 lithium-ion cells.
Integrated Compliant Spring Mechanism: Features a built-in 3D-printed serpentine spring that provides consistent tension and ensures reliable electrical contact without needing complex hardware.
Secure TP4056 Mounting: Custom-fitted slot for the TP4056 USB-C module with wire routing channels for a clean, solder-friendly assembly.
Support-Free Printing: Engineered to print flat on the build plate with zero supports required.
Recommended Print Settings
To ensure the integrated spring mechanism retains its elasticity and doesn't deform over time, please follow these printing guidelines:
Material: PETG or ABS (Strongly recommended over PLA due to better heat resistance and spring flexibility)
Layer Height:
0.2 mmWalls / Perimeters:
3(Crucial for the strength and durability of the compliant spring)Infill:
15% – 20%(Gyroid or Grid)Supports: None required