Exotronic 48V High Current 50Ah Alpha Series IP67 Smart Deep Cycle LiFePO4 Lithium Battery with Bluetooth and On/Off Button 50Ah Alpha Series Expansive Features Include: Sleek, Space-Saving Profile Real-Time Bluetooth Monitoring IP67 Water Resistance and Dustproof On/Off/Reset Button 100A JBD BMS 1.2A Active Cell Balancer A-Grade Aluminium-Cased Prismatic Cells with Safety Rupture Discs 0–100% Usable Capacity IEC 62619 Certified Cells Optimised...