FollowConventional batteries need to be recharged at regular intervals from a power outlet. Also, they have a short life as they become useless after some time. All of this has prompted researchers in different parts of the world to develop new technologies that would increase the life of batteries and also offer the users an Eco-friendly way to keep all of their electronic gadgets running. And, along with the increasing number of gadgets, some researchers have also developed self-charging portable batteries to address all the cost and environmental concerns associated with conventional batteries.
