Having to deal with a dead car battery is not fun. The Lenercom PM4-12 is a 4-in-1 tool that jump starts your car, inflates your tires, and powers your devices. It also has a flashlight. The unit has a 12000mah battery and peak current of 1500A. It can pump 4 tires from empty to full on a charged battery.
The PM4-12 has a flashlight mode with 3 modes. It comes with overcharge, over-current, short circuit protection.
[where to get it]