I have to admit, I don’t think I’m quite ambitious enough to remove a cord and make something battery operated myself. However, as you’ll see in the following tutorial, it’s really not that hard, especially with good step by step instructions! Learn how to create an LED cordless lantern here — Tealight Lantern Goes Cordless & LED (IKEA Hack) – the DIY village.
Oops I think you missed a detail reading the tutorial. This was a tea light and had a candle in it before they added LEDs