Have you ever experienced the aggravation and inconvenience of your engine not starting? Battery Brains use unique electronic technology to ensure that you will never be stranded again by a dead battery. Gold Battery Brains monitor the battery and isolate the electrical system if they detect an energy drain, to ensure a sufficient charge to start the engine. These small brain boxes feature a manual reset button to activate and easily mount on your vehicle's positive battery terminal. Your battery can now have brawn and brains, giving you peace of mind and preventing the loss of valuable time and money.