Smartphones nowadays have become incredible juice-sucking devices. Manufacturers are squeezing more and more features into phones to the point where conventional lithium ion battery technology is struggling to keep up.
I managed to get hold of one of these ‘power banks’ which are really just big batteries that hold a lot of charge and can be set to charge mobile phones and other devices. I got myself a Sony-branded one. Here is how it looks like:
Now it’s time for me to get a shorter charging cable.
