Quick view Antigravity Batteries Antigravity Battery Tracker (Lead/Acid) - AG-BTR-2 Compare $35.99 The Antigravity Battery Tracker monitors your vehicle battery status through your phone or tablet by using our free Battery Tracker App (iOS or Android, Bluetooth 4.0). The app has three main pages: Voltage Test, Cranking Test and Charging Test. The... Add to Cart Add to Cart
