Your car's 12-volt battery is one of its most vital components. It's responsible for sending electricity to the starter motor, which, in turn, sends power to the ignition system and cranks the engine.

You're running late, your car won't start, and you're standing there with jumper cables and a charger wondering –– do I have to disconnect the battery before I juice it up? The short answer is no, you ...

View post: Amazon's 'Well-Designed' Rotary Tool Is Just $30 Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. A car can’t do ...