Exotronic 12V 340Ah Alpha Series Smart Deep Cycle LiFePO4 Lithium Battery with Bluetooth and On/Off Button 340Ah Alpha Series Expansive Features Include: Sleek, Space-Saving Profile Real Time Bluetooth Monitoring IP66 Water Resistance and Dustproof On/Off/Reset Button Pre-trip Audible/Visual Alarm for 60 seconds at 10% State of Charge JBD BMS 1.2A Active Cell Balancer A Grade Aluminium-cased Prismatic Cells featuring Safety...