Build a Massive USB Power Bank @JulianIlett

Build a Massive USB Power Bank @JulianIlett

Uploaded April 2023 | Updated September 2026, 1 week ago

This USB power bank has 28 lithium ion cells all connected in parallel. Total capacity is 36,400 mAh or 131 Watt hours. I'm using the Vruzend 1.6 system of end caps and link strips.

Build a Massive USB Power Bank

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Build a Massive USB Power Bank