Researchers from Korea Advanced Institute of Science and Technology (KAIST) is developing a flexible lithium-ion batteries and claimed as the best flexible battery (at this time).Claimed as the best flexible battery because it has the largest power capacity ever achieved in terms of flexible battery technology. From the demo video bellow, we can see the battery ability to turn on the blue LED lights and how its stability although the battery is being bents.
Flexible Battery
Unfortunately, there is no further information whether this flexible battery can operate other gadgets like cell phones or not.
Source: gizmag
