Charge up to 4 Smartphones, iPads/Tablets or any other USB devices at one time. Smart Charge detects your device to deliver its fastest possible charging speed. All four ports can support 1A or 2A charging for a total output of 6A when all ports are in use. Reversible USB port design allows you to plug your USB cable into any of the ports in either direction. LED indicator and the blue lights next to each port when plugged in make it easy to see in the dark. Smart IC’s monitor the charge level and auto-stop when the battery is charged up. Includes anti-slip pads on the bottom of the Smart Charger.