Battery holders 18650 and 21700
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Description
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đ Modular 18650 & 21700 Battery Holder â 1 to 4 Cell Configurations
This 3D printed battery holder is designed to securely hold popular lithium cells in 18650 and 21700 sizes, making it perfect for DIY power packs, charging setups, and electronics projects.
The set includes four case variants:
- â 1 battery holder
- â 2 battery holder
- â 3 battery holder
- â 4 battery holder
You can easily configure batteries for:
- đ Parallel charging
- đ Series connections: 2S, 3S, and 4S
âď¸ Key Features:
- Compatible with 18650 and 21700 cells
- Modular design â choose the size you need
- Designed for use with spring contacts for reliable electrical connection
- Strong mechanical grip to keep batteries secure
- Ideal for charging rigs, power banks, prototypes, and DIY electronics
𧊠Spring Contact Design
The holder designed for using contacts like metal springs, allowing:
- Better electrical connectivity
- Tolerance for small battery size variations
- Easier battery insertion and removal
đ¨ď¸ Printing Tips (optional but useful to include):
- Material: PLA, PETG, or ABS
- No supports required
- 0.2 mm layer height
âIf you use chinese metal contacts like on the picture, need to bend it like here, and make these parts flatâ
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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