So functional that they don’t just recharge a battery, they can even recondition it when it has been unused for a long time

Having a compact booster pack on hand is far less hassle than dealing with jump leads and try to find a kind soul to help you out.

This small and inexpensive device turns long trips hassle-free as you can charge your phone in your car.

Getting a class-leading model from Garmin or TomTom can make a huge difference to your driving and also sanity.