12V 100Ah LiFePO4 Battery for Trolling Motors, Bluetooth Monitoring, BCI Group 24, Self-Heating, Ideal for Marine, Boats, Fish Finders, Kayaks & RVs

https://a.co/d/06lZWqLC App pretty useful in seeing SoH, SoC, temp, etc I have -10 C in january-febuary winter months. If you stay above 0C, I think you can skip self heating option