Universal Battery Chargers under US$20

With less than $20, we can buy battery charger that is universal for our mobile devices with option for interchangeable connector tips. Thus, with this universal charger, you could charge your Blackberry, your spouse's iPhone and your colleague's Android phone. Some even comes with tips for portable gaming devices.

This is especially useful when we are traveling, whether for work or for play, as it get rid of the excess weight to carry for multiple charging devices on the go. It is like the Swiss Army knife of charger.