On a road trip, camping, or during a power outage or emergency, this adapter plugs into your vehicle's power socket and, more or less, mimics a household wall power outlet. The fanless inverter quietly and safely delivers 100 watts of continuous power to your laptop, fan, DVD player, musical instrument, video game system and much more (just be mindful of the wattage requirements on your device). Dual USB ports are built-in, and with a max power output of 2.1A, the power inverter is also ideal for charging your iPhones, iPods, iPads, tablets, Samsung Galaxy, and other mobile phones or USB powered devices. Currently averaging 4.5 out of 5 stars from over 580 people on Amazon (read reviews), its typical list price of $29.99 has been reduced 33% to $19.99. See the discounted Energizer 100W power inverter now on Amazon.