The Enerdrive B-TEC G2 Lithium Battery with Bluetooth Monitor 12V/200AH is a technologically advanced LiFeP04 lithium battery that uses a smartphone-based monitoring system and features a built-in reset button so you can easily restart a flat battery. 

The smartphone app can monitor battery capacity, voltage, current, state of charge and more.

Safety features include protection against overcharge, overdischarge, overtemperature and short circuit.