18650 Stack

18650 Stack

thingiverse

This is my concept for a power bank integrated into the bike seat tube, featuring a stackable and customizable module designed to hold 18650 batteries. The proposed design utilizes springs such as those available on AliExpress, specifically this product: 100pcs 18650 Battery Pack Spring Contact Piece Positive (https://www.aliexpress.com/item/Free-delivery-100pcs-18650-battery-pack-15-18-14-33-spring-contact-piece-battery-box-positive/32813127196.html?spm=2114.13010208.99999999.264.7KcWbG).

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