Power Bright XC180 Cup Inverter, 180-watt 12V DC cigarette lighter to 120V AC to power laptop notebook & more w/ 3 USB ports 2.1A shared compatible with iPad & more Powers up to 4 Devices at Once Ultra Silent (thermal fan) 3 x USB Charging ports 2.1A (Shared) Tablet Charging compatible from USB ports Fits securely into most cup holders