Magic Bulb, a Chinese company, has created rechargeable LED bulbs and decided to show off their creation at IFA. These bulbs use all of 4W of power while shining as brightly as a 50W bulb. 

It features a rechargeable battery that’ll keep the light running for up to 3 hours when the power runs out. And these bulbs also have a handle that can be extended to turn the bulb into a flashlight.  They’ll live for up to 20,000 hours.  It estimes to  be sold at $30-$40.