Ambrane ACC-74-M Dual Port Car Charger (Black-Silver) ACC-74-M specially designed for in-vehicle use, this Dual USB Car Charger allows you to power smartphones, tablets and other USB-Chargeable devices. It can charge 2 devices at the same time through dual USB ports and can give maximum current output of 2.4A. Small size, dual port and rugged outer body make it the ideal car charger to be used in your vehicle to charge the devices.