Compact and sturdy body packed with a powerful 3.4 A punch No matter what device you have, Intelli-Charge Technology always learns and outputs the optimal current for safe charging Two USB ports powerful enough to charge even the largest and most power-demanding devices. Current Limiter protects your expensive device against shorts and surges. 2 port charger plugs right into the cigarette lighter of your vehicle. The compact, sleek black charger is easy to store in your glove compartment, console or pocket between uses, so it^s ready to go when you^re ready to charge