B-TEC 400AMP / 12V LIFEPO4 BT SLIM METAL CASE BATTERYThe Slimline incorporates a Built In Reset Button making re starting a flat battery a breeze. No longer do you need to apply a voltage to the battery terminals to wake up the battery. Press the button and within seconds, the battery will come back to life ready to accept a charge source to rejuvenate the battery. The Enerdrive B TEC battery incorporates wireless Battery Monitoring Technology. By downloading the Android or Apple app to your smartphone