The CT3719 Battery Terminal Cut Off Switch is a universal car battery isolator cut-off switch designed to fit standard round post batteries. With its easy-to-use design, you can quickly disconnect the battery when you're not using your car, ensuring it won't go dead while it's idle.

• Easy to install and operate.
• Compatible with standard round post batteries.
• The switch can disconnect the battery quickly and easily.
• Prevents the battery from going dead while the car is idle.