March 25, 2026
Description
18650 21700 26650 Battery Holder - 7x7 (49 Cells) with Adjustable Arms (Fixture Frame)
Boost MeLike this model? Boost it for Free!This robustly designed 18650 battery holder is made for users who need a stable and precise solution for assembling large battery packs. The model accommodates up to 49 18650 cells (7x7 configuration, 8x8 comes soon), providing a secure and convenient way to hold the cells during assembly, welding, or testing.
Features:
Holds 7x7 18650 cells: Perfect for building larger battery packs.
Heavy-duty construction: Solid, strong design
Adjustable arms: Four arms are adjustable via a threaded knob, allowing easy locking of each arm in place to ensure precise cell spacing.
Secure cell mounting: The arms and locking bolts ensure that the cells stay securely in place, ideal for safe assembly or spot welding.
3D Printable model: Fully printable design allows for easy customization and tailoring to your specific needs. No extra parts needed.
Applications: This holder is perfect for DIY battery pack assembly, especially when using spot welders. The adjustable frame allows you to precisely position the 18650 cells (or others) and keep them stable during the assembly process.
Advantages:
Quick and easy assembly.
Stability and safety during use.
Suitable for various DIY projects involving 18650 cells.
Compact yet durable design, perfect for professional use in battery work.
Instructions: Print the model in full scale. It is recommended to use materials such as PETG or ABS, which provide the necessary rigidity. I printed this in PLA, works fine too. After printing, assemble the arms using the threaded knob and locking bolts to securely hold the cells in place.
License:
Standard Digital File License