Ending up with a car that does not start is frustrating. Many folks have their own car jump starter to get out of trouble. The Bracketron Road Boost XL is not your average jump starter though. It is a portable 3-in-1 emergency solution that can charge your smartphone and serve as a flashlight and SOS signaler. The battery inside has 12000 mAh of capacity.
The Road Boost XL comes with a 12V car charger and a home charger. It has an output voltage indicator, so you can set its output for your car or mobile device. Sets you back under $130 at this time.[Source]