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Multi-purpose battery charger for various battery models including 18650/14500/21700/26980 lithium batteries
IP Report
Print Profile(1)

0.2mm layer, 2 walls, 15% infill
Designer
1.6 h
1 plate
Open in Bambu Studio
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Bill of materials:
You will need 4 M2*4 screws (slightly longer screws are also acceptable).
One spring, approximately 4mm in diameter, an L-shaped metal sheet, and a positive pole metal sheet (metal sheet width approximately 8.5mm).
One charging module.
As shown: I used a pre-made one.

Installation as shown: The negative pole connects to the spring, the spring connects to the L-shaped metal sheet, and the positive pole is directly connected.


Finally, attach the cover and tighten the screws. Happy printing!
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