SMART Clamps (Newer XP1, XP3) by Antigravity Batteries These are replacement mini clamps for the NEWER models of the MICRO-START XP-1 and XP-3. These SMART jump-start Clamps have additional safety features built-in for full protection. (Note: the clamps also have a stronger plastic clamp joint where previously it was a metal pin.) Features Reverse Polarity Protection Short Circuit Protection Reverse Current Protection Over Current Protection Over Discharge Protection Thermal Protection Please Note: The MICRO-START is for Jump-Starting ONLY through the Jump-Start port!Never leave the Micro-Start connected to your vehicles battery for longer than 30 seconds, or use in place of your regular battery in your vehicle.Do not try to charge the Micro-Start directly from your battery through the jump start port. Severe damage can result! Applications Universal What’s In The Box? 1 – Smart Clamps Warranty All warranty claims are handled by Antigravity Batteries directly.