Power Share Pro Car Charger offers the ultimate in power and flexibility. 3 USB ports share 4.8 Amps of power and InstaSense™ technology distributes that power so that each connected device gets the power it needs to charge at optimal speed with the manufacturers intended amperage and proper power ‘handshake’ from charger to device. Patent-pending USB cable lock cable retention assures that your device won’t become unplugged accidentally. Power indicator light lets you know your charger is plugged in and providing power.