This site was bit funny when i first visited later i realized many useful information from this site. Hence sharing the same with you.
In this electronic world starting from kids toys to adults electrical equipments everything runs with battery. Battery has became one of our handy product in most our daily used items such as watch,mobile, computer, etc. There are various type of batteries available for different devices. We are just aware of couple of things that we use. Even that also we are not 100% clear on it's usage. Battery University is the website which gives lot of information and research documents that is really helpful for us to understand. Especially for electronics student who want to have a deep study on batteries this site is really a helpful one.
Just hit the link, you will love to read it.