Exotronic 12V 300Ah Apex Australian Made Series IP67 Smart Deep Cycle LiFePO4 Lithium Battery with Bluetooth and On/Off Button 300Ah Apex Series Expansive Features Include: Sleek, Space-Saving Profile Real Time Bluetooth Monitoring IP67 Water Resistance and Dustproof On/Off Button JK BMS with 2A Integrated Microprocessor Controlled Active Balancer A Grade Aluminium-cased Prismatic Cells featuring Safety Rupture Disc 0-100% Useable Capacity IEC...