snippet: Epoch Batteries 36V 100Ah Golf Cart Lithium Battery Bluetooth App LiFePO4 Chemistry Waterproof - IP67 Rated Bluetooth Connectivity - (iOS and Android Apps) Heated - Most LiFePO4 cannot be charged below 0C / 32F, with the built in heating function you can charge as low as -20C. Long life & Zero maintenanceOur batteries have a 11-year design life. No watering, no acid, no corrosion. Drop-in replacements & Fast chargeEasy installation for replacing lead-acid batteries. The batteries can stay on board theequipment for charging. Endure power & 11 year warrantyEasily power your trolling motors much longer. Valuing much for your investments. Waterproof & corrosion protectionResistant to some extreme conditions. All-weather batteries They can work well in cold or high temperatures. Much wider than the lead-acid batteries can withstand. WiFi connection & BluetoothEverywhere All batteries are certified in Specifications: Manufacturer Epoch Batteries Model B36100H Chemistry LiFePO4 Nominal Capacity 100Ah Continuous Discharge Rating 120A , 200A (60 seconds) Maximum Charge Rating 50A Cycle Life 3,500 cycles (70% DOD) Nominal Voltage 36V Heated Yes Bluetooth Yes Waterproof IP67 Approx. Dimensions (LxWxH) 19.8in x 10.2in x 10.2mm Approx. Weight 75lbs Country of Origin China Connect in Series Yes, max 2 Connect in Parallel Yes, max 4 (Page 1)