DIY 5V 1A 18650 Battery Bank
Easily make your own compact USB power bank with these DIY power bank enclosures from PMD Way. Please note that you need to supply your own cells!
This neat enclosure offers a USB 1A output, along with a neat LED status display. The unit is charged via the micro USB socket.
Simply insert four 18650 cells and you're set. For the best results use new cells of the same brand and capacity type. Check out our range here.