Screw-Contact 18650 Battery Holder – Solderless & Modular Design
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A modular, solderless 18650 battery holder using copper screw contacts for low-resistance, reliable connections.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Electronics
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
Project Overview
I wanted to design a solderless and easily dismountable 18650 battery holder, allowing the reycling of cells and the simple replacement of weaker elements if neede.
The goal is to create small-capacity battery packs for low-consumption projects.
The user can choose the number of cells connected in series and parallel, depending on the specific needs.
Since my neighbor made fun of me about potential resistance and energy loss compared to spot-welded nickel strips, I decided to use copper screws. Each cell is firmly clamped between two screws, ensuring a more reliable contact than a simple spring.
The screws are then connected using 0.3mm thick copper strips, before integrating the BMS.
The design is available for packs of 1, 2, 4, 6 or 8 cells.
Pre-drilled holes and longitudinal supports make it easy to mount the battery pack in various environments, or to attach multiple packs together.
Required Materials:
- Copper screws M3 x 10mm
- M3 nuts