| The wireless revolution, the prolific use of PDAs, MP3s, | | | | current flow). Direct current means that the flow of |
| MP4s, Laptops, Cell Phones, Smartphones, DVD | | | | charge is in one direction. A battery produces direct |
| players, and other portable devices have increased the | | | | current (DC) because there is no way to change the + |
| need for smart and high capacity portable batteries. | | | | and - you see on the battery.In order to create direct |
| Portable batteries however are not typical in design. | | | | electrical current electrons must be caused to break |
| Indeed the battery that powers your portable device is | | | | away from atoms to create an electron flow. Why? |
| what is known as a smart battery and as such the | | | | The answer is because electricity is a property of |
| internal system design of a smart battery is more | | | | certain subatomic particles (protons, electrons, and |
| complex then most people realize. Let's look at what | | | | neutrons) which couples to electromagnetic fields and |
| the internal design of your portable battery looks | | | | causes attractive and repulsive forces between them; |
| like!To begin with high powered portable devices | | | | by doing so an electrical flow is created, and this is |
| require an electrical current. There are two types of | | | | where electricity comes from. |
| electrical current (direct current flow and alternating | | | | |