21700 18650 Lion Battery Spacer
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Description
🧩 3D Spacer for 21700 / 18650 Cells – Flexible TPU Print
Designed for DIY battery enthusiasts and long-range FPV drone builders, this modular spacer is the ideal accessory to hold your 21700 or 18650 lithium-ion cells in a reliable, flexible, and secure manner.
Available for cells:
- 21700 in:
- 6s 3*2
- 6s triangle/pyramid
4s 2*2
- 18650 in:
3s 3*1
Other format or configuration? Leave a request in the comments!
✅ Key Features:
- Compatibility: Available for cylindrical cells 18650 and 21700, ideal for making lithium-ion packs.
- Flexible and resistant material: Printed in flexible TPU, this spacer offers excellent resistance to vibrations and shocks while facilitating the fitting of the cells.
- Easy assembly: The design has been conceived to allow for quick and tool-free assembly while ensuring a firm hold on the cells.
- Integrated cable routing: Spaces provided between the cells allow for easy routing of power or balancing cables, thus facilitating the assembly of your pack.
- Lightweight and solid structure: Optimized for embedded use, this spacer weighs almost nothing while ensuring a structural solidity suitable for the stresses of flight or transport.
- Versatile use: Perfect for:
- DIY lithium-ion packs
- Arduino / Raspberry Pi projects requiring on-board power
- Long-range cinematic or freestyle FPV drones
Nomad or solar applications
🛠️ Instructions for use:
- Use nickel strips to connect your cells.
- Prefer the use of TPU for better solidity and ease of fitting.
- For multi-cell packs, combine several spacers to obtain the desired structure.
Recommendation: print TPU 95A, layer thickness 0.2 mm, slow print.
🚀 An essential tool for your custom battery projects
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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