If you don’t have a USB charging outlet in your car, Amazon currently has Aukey’s Slim Profile USB Car Charger for just $3.96 with promo code AQ5I7C6A. That’s 67% off on the charger’s regular list price of $10.99.

4.8A max output across two USB ports – simultaneously charge two devices at full speed. Advanced circuitry and built-in safeguards protect your devices against excessive current, overheating, and over charging.

–AUKEY Car Charger with Dual USB Ports & 4.8A Output – $10.99 $3.96 (Use Promo Code AQ5I7C6A at Checkout) (67% Off)