It is always a good idea to have a power bank in your car, and you can find a variety of options in our BestPortableChargers guide. There is a power brick in my trunk. It's easy to find because it's orange. It's compact, tough, and packs 10,050-mAh of power, which is enough to fast-charge most phones, and it supports Quick Charge. If you're stuck on the side of the road at night, it's a good idea to use the 16 LEDs that top out at 1,300 lumens. If you decide to send it to the US, take into account shipping and customs charges.
The INIU Portable Charger has a built-in flashlight and is a cheaper alternative. It's easy to locate it in your trunk or glove box if you choose orange or red.