USB charger is a universal electronic device that is connected with computer or charging socket to power up electronic devices like cell phones, laptops, MP3 players, etc. USB charger is compact without complicated components, or need of voltage transformer. It is portable enough, ideal for both and home and traveling.

USB charger is not only a 5-volt channel for electronic devices to get contentious energy, but an easy way to transfer data when connecting one device to computers or laptops. As computers and laptops can store some energy. When your cell phones, music players like MP3 or MP4, and other USB devices are running out of battery outdoors or there is power off, you can connect your device with a USB cable and plug the USB into the computer interface. If you want to import or export something, you can do it easily when your USB device is connected with a computer. For businessman, USB charger can not only keep your devices powerful all the way and can let you manage important information in time.

If you have an audio player, you may find it impossible if you want to get it charged and let music play at the same time, as some audio players are defaulted in file transfer mode one you connected with a USB cable and a computer though you don’t mean to transfer files. But you can recharged it by plugging it to the power pins directly. In this way, the audio player can play music simultaneously.

Almost all electronic devices are designed with a USB cable so that you can charge with more convenient. USB devices can usually share a USB charging head, but can’t share a USB port always. Different electronic devices have different connector standard types. Computers use type-A USB standard and some smart phones now are featuring micro USB. As for micro USB types, there are Mini-A, Mini-B, Micro-AB and Micro-B connectors. Type A connector are common in a computer design. There is a recessed data pin and external power pin combined in a type-A connector. When plug your device into the pins of a computer or a tablet, it will be first to get powered and then get files transferred.

As mentioned above, there is a charging head or AC chargers that is interchangeable for almost all those electronic devices with a USB cable, though sometimes the USB cable of one end differs based on different required standard connectors. A single USB cable is available now in every store and the price is inexpensive. So if the USB cable can’t work anymore, it is easy to get a new replacement. But when choosing the USB charger, please take care of the connector type in cases of buying an unsuitable one. While some devices like some traditional cellphones, don’t need USB cable, they can be charged directly with an AC charger. Just plug it in the power strip or wall socket, devices can get powered. But those kinds are now almost knocked out. You will find it not portable or multi-purpose especially when you are going out for traveling. A small USB charger doesn’t occupy any space and make it possible to charge your USB devices by a power bank, a computer, a laptop, or charge in the hotel with a charger adapter.

Output of a USB charger is usually DC 5V that can meet almost all electronic gadgets’ charging requirement. While the standard power is AC current. With so many portable USB devices coming out gradually, there comes voltage converters that can transfer AC current to DC current. Even in the car, you can use power inverter, cigarette lighter car charger that designed with USB ports. Anyway, choose a right power device to keep your USB electronics going all the way.

USB charging station makes it possible to recharge devices directly without charging batteries which may speed up battery life reduction. There are also multi-USB chargers in the market for multiple charging requirements. USB charger makes life easier.