ECO-WORTHY 12V 50Ah LiFePO4 Lithium Battery with XT60 Interface, Bluetooth 5.0, Low Temp Protection, Connects to Power Inverter for Camping, Road Trips,Trolling Motors

Its cheaper to get a 50AH or 100AH LiFePo04 battery with a a 12V socket and a charger for it that you can plug into a small inverter and charge while driving. Something like: https://www.amazon.com/dp/B0F5WPJ2DQ/ plus a charger