CHINS 36V Lithium Golf Cart Battery, 36 Volt 100Ah LiFePO4 Battery, Built-in Bluetooth 200A BMS, Includes 36V 25A Charger, Monitor, Perfect for Golf Carts

For the price, you're probably better off with something like this. Even if you don't hold on to the cart long-term, it'll be worth more when you go to sell it with a few years old lithium battery vs a few years old lead acid batteries