Ninebot-G30 20s6p Cellholder ADVANCED
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20s6p 21700 Cellholder for the ninebot G30
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Ninebot-G30 20s6p Cellholder – Advanced Assembly Files
Cellholder Dimensions:
Length: 460 mm
Width: 117 mm
Height: 13 mm
Hole Diameter: 21.4 mm
Overview
This new version of the Ninebot-G30 20s6p cellholder is designed for advanced assembly, offering improved safety, easier assembly, and enhanced cable management. All necessary files for the cellholder, busbars, and screw terminals are included.
Key Improvements
Enhanced Copper Pieces:
The copper components now feature a small bendable tab. This allows the balancer wires or soldering to be routed to the side, preventing force from being applied directly to the solder joint. This design increases safety and simplifies assembly.
Screw Terminal Integration:
Files for screw terminals are included, intended for a more robust and reliable build. While basic wires can be used as an alternative, screw terminals (designed for M5, but can be tapped for M6) are highly recommended for optimal results.
Comprehensive Busbar Files:
All required busbar files are provided. Note that the lengths for the busbar-negative-output and busbar-negative-input depend on your BMS choice and placemen these files serve as a general guide. The long busbar for the positive side is already sized correctly. Standard 12x2 mm busbars can be sourced online and cut to length as needed.
Assembly & Safety Recommendations
Busbar Insulation:
When stacking busbars, use an epoxy plate between them and wrap them with fibertape to minimize the risk of damage from vibration and his possible leading to a short circuits.
Cable Management:
The design allows balancer wires to be routed efficiently, reducing added thickness from insulation. For proper isolation and safety, use fibertape, Kapton tape, fishpaper & PVC Tube.
Printing Guidelines
Nozzle Size:
Use at least a 0.2 mm nozzle for optimal print quality.
Material Recommendation:
Due to the brittleness of the Cellholder print with PETG or, preferably, ASA for increased strength and durability.
Warping Consideration:
If printing the cellholder as a single piece, be aware of potential warping and plan accordingly.
Important Notes
Busbar Lengths:
The negative busbar lengths are dependent on your BMS configuration. Use the provided files as a reference and adjust as needed.
Screw Terminals:
Designed for M5 screws due to height constraints, but can be tapped for M6 if desired.
Best regards,
Your CEPP Team