Battery Case for Velomobiles (FreeCAD)
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Enclosure to better protect the common 4S2P Li–Ion battery packs used for light etc. in velomobiles.
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Updated at source:
Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
You may re-pack the battery pack that came with your velomobile, or use alikes (e. g. Ansmann 4S2P Akkupack 8x 18650 Kabel Li-Ion 14.4 V 5200 mAh)
Additional parts
14 AWG wires, red and black
0,5 mm wires, red and black (display -> battery out)
XT60 plug (female)
Battery indicator ("display") 40×15×3 mm, https://www.ebay.de/itm/366587707303?var=636271997994
solder
glue
Assembly
Inside there's a chamfer around the display opening to take up the glue. Glue in both the display and CoverDisplay for robustness and being waterproof.
Spread viscous glue (cyan) all around the inner corner of the lid …
… for strength. With the lid fixed in place, add liquid glue (black) to fill the gap waterproof.
The 3mf file provided includes a long XT60 handle I published in https://www.printables.com/model/1082540-xt60-handle-freecad-updated , altered to fit 14 AWG.