18650 15000mAh USB Power Bank
Description
Making a 15,000mAh power bank out of an old laptop battery (6x 18650 2500mAh), a 3D printed case and a simple recharging circuit I bought off eBay for $10. The case I designed in Fusion 360 and printed it up on my Creality CR10 V2. Watch the full video showing the making of this. https://youtu.be/uNuedtSeZoE The Fusion 360 (.f3d) files are included to allow for customisation. The charging circuit is an XZX-887Y and available on amazon or eBay for under $10 The 18650 cradles are printed from https://www.thingiverse.com/thing:2348345
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