Having an AC adapter in your car can work wonders for passengers while on-the-go. Right now, you can pick up Bestek's 150W Power Inverter Dual USB + AC Car Adapter for only $11.99 when you enter promo code SVSG5UQU during checkout. That'll save you $5 off its regular price there, plus it's valid on both the red and black models of the adapter.

This power inverter features dual USB ports with a 4.2A output (2.4A per port), along with a 110V AC outlet where you can plug in devices like your laptop or maybe the Nintendo Switch. The AC outlet has a built-in safety door to protect curious children too. It's about as big as a smartphone, though a bit thicker, so it's compact enough to throw in a suitcase or in your glove box without taking up too much space. It also has a 32-inch long cable for the cigarette lighter plug that lets you place the adapter nearly anywhere in your car. It offers 250 Watts of peak power in total.

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