13S4P 21700 Battery Cell Holder / Tray
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Modular 13S4P battery tray for 21700 lithium-ion cells, designed for secure alignment and easy pack assembly.
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial
This is a 13S4P battery cell holder designed for 21700 lithium-ion cells.
48V E-Bike Application
This 13S4P configuration is ideal for a 48V e-bike battery pack. A 13-series lithium-ion setup provides a nominal voltage of approximately 48.1V and reaches 54.6V when fully charged, which matches standard 48V e-bike controllers and chargers.
Using 4 cells in parallel increases current capability, reduces voltage sag under load, and helps keep cell temperatures lower during acceleration and sustained riding. This makes the tray well suited for mid-drive and hub motor e-bike systems.
The tray keeps cells properly aligned during battery pack assembly, helping with consistent spacing, clean spot welding, and overall pack stability.
Features:
Designed specifically for 21700 cells
Supports 13S4P configuration
Clean alignment for nickel or copper busbars
Ideal for DIY battery packs, e-bikes, power tools, and energy storage projects
Printing notes:
Print with PETG, ABS, or ASA for heat resistance
PLA can be used for mockups or low-temperature applications
No supports required
Important: This model is a mechanical holder only. Proper battery safety knowledge is required when building lithium-ion battery packs.
Design by DIY500AMP.COM