Doblet is an on-demand phone charging service everyone can find at bars, restaurants, hotels, malls, cafes and businesses. Doblet has built the world’s first app-driven portable battery network, available in thousands of venues, right where people live, work and play. Whenever one's phone runs low on battery, the Doblet app will help to find the closest place to recharge. One just need to ask for a Doblet, plug in, and take it on the go. Simply swap out for a new one at any location and keep your power full.