Carry a light bulb in your wallet

We use affiliate links. If you buy something through the links on this page, we may earn a commission at no cost to you. Learn more.


Brando brings us a credit card sized light bulb that you can carry in your wallet. It’s powered by a CR1216 battery and costs $10.

2 thoughts on “Carry a light bulb in your wallet”

  1. Gadgeteer Comment Policy - Please read before commenting
  2. how much light does it give off? how long does the battery last?

    i see practical uses including finding a keyhole in the dark, reading a book (well maybe for those kids who currently read by torchlight under there bed covers after lights out ;-), emergency light for power faiure…

Leave a Comment

Your email address will not be published.