Battery Bank Kit

Beginner-friendly, some soldering required — see the safety guide

$10 CADconfirm at launch

+ $4 shipping (Canada), calculated at checkout for other countriesrate not final

[PLACEHOLDER: Stripe Payment Link URL — Battery Bank Kit]

Full tutorial Download files

What's in the kit

Charge/boost/display board [PLACEHOLDER: confirm final board — Type-C digital-display power bank board]
Panel-mount switch
Spring + plate contacts, 3 sets [PLACEHOLDER: not yet in the BOM — confirm sourcing, see design notes]
Wire
Heat shrink

What you provide

3× harvested battery cells (13350, ~3.7V/500mAh each)
3D-printed housing (your printer or a library makerspace)
Basic tools (soldering iron, wire strippers)