Walkmans and CD players are a thing of the past, thanks to MP3 players. Now music and sound files can travel anywhere on a tiny hand held device. With the advent of MP3 players, the demand for traditional AA batteries has gone down too. Now there is a new contender on the market to keep MP3 players singing.
In order to keep MP3 players running they need a very powerful battery. For most brands, the Lithium-Ion battery is used. It lasts much longer than traditional batteries, and is perfectly designed for playing music or running programs for long periods of time. Lithium batteries are also very lightweight in comparison to their traditional counterparts. These lithium batteries can run up to 18 hours without recharging.
MP3 manufacturers have created several devices to keep any player up and running for users on the move. Many MP3 players have adaptors that allow the user to charge the device with the vehicles AC adapter. Some devices come with an additional battery pack that can be used when the battery life runs out. Other brands come with a wall charger so they can simply be plugged in, while other brands like Compaq offer a portable battery charger that can go...