R2-D2 Car Charger R2 units are the ultimate helpers, and this R2-D2 Car Charger ($120 and up) is no exception. The charger sits in a cup holder and plugs into a cigarette lighter. It can charge up to two USB devices at once, and R2's dome even rotates and lights up. When power is connected, the bot will whistle and beep. Image Source: Amazon R2-D2 Car Charger $120 from amazon.com Buy Now