It is perfect for carrying on trips or for use at work, concerts, the beach or parties. The portable battery was developed to provide enough power for mobile devices. Those who travel a lot know the difficulty of finding a place to charge a smart phone. With this powerbank, you will have no problem: just plug straight into a socket and leave it performing while you harness the journey. USB output with smart charging technology can automatically detect the connected device and provide the appropriate amount of power for fast charging. Perfect for a business trip or on the go, you don't have to worry about your phone low battery.