This mobile emergency charger, or powerbank, is a compact external battery that you can use anywhere to charge your smartphone, iPod or eReader. The powerbank is attached to a practical keyring. The mobile charger has a solid 2000 mAh battery. In approximately 4 hours this battery will be completely charged. You can charge the Powerbar 2000 with the included USB cable. Connect the cable to the current power with a USB adapter (not included) or directly connect it to a power source (e.g. your laptop). The battery is produced according to the latest standards. Internal circuit protection prevents overcharging. The lightweight charger (54g) has the size of a lipstick and hardly takes up any space. The practical keyring can easily be connected to your keys, so you always have the powerbank near at hand. Whether you want to fully charge your device or only need a little bit of extra power, it?s up to you. Please note that the Powerbar 2000 can be used with small mobile devices, including smartphones, eReaders, MP3/MP4 players, etc. The powerbank is not recommended for use with larger mobile devices such as tablets. The AVANCA Powerbar 2000 is compatible with almost all compact mobile devices, including iPhone, iPod, Samsung Galaxy, HTC smartphones, Nokia, Blackberry, etc. Use the correct cable to charge your device (for example the cable that was included with the purchase of your mobile device). New other (see details): A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with no defects.