USB / LapTop & power delivery Power Bank Ryobi One+

V1
designed with Openscad

Add

• fuse holder 5x20mm
• dc-dc step-down 30-12v to 5v 3A
• power switch
• USB connector
• DC jack 5x2.5mm
• battery spring
• 6 screw (3x12)

V2
designed with Freecad

add

• PD/QC3 charger with fuse
• battery spring ( https://fr.aliexpress.com/item/32949854416.html )
• 6 screw (M3x12)

glue the Spring Contact Plates with epoxy glue (scratch the contact surface for better glue adhesion)

V3
designed with Freecad v1.00
add

• PD/QC3 charger with fuse
• battery spring ( https://fr.aliexpress.com/item/32949854416.html )
• 6 screw (M3x12)
• 2 scew (M2x8)