Battery with Light Bar

I want to get a light bar across the front of my roof and I would also like to get a few small lights to mount around my roof rack to illuminate the area around my Taco when it is parked in a campsite. I am already running a WARN M8000 and a power outlet in the bed on the stock battery, should I be looking to change out batteries and if so, got any battery recommendations?

 

I would look into these kits. Awesome stuff. For the price I paid for my ho alt, and eventually a second battery, I could've got an all out kit for around the same price I bet. Well worth it in the end.
https://www.tacomaworld.com/threads/1st-gen-electrical-system-upgrade.311091/