Thanks a lot for all your help again! This is what I was able to find:

Wires x2 ( battery to inverter and battery to controller) https://www.amazon.com/dp/B00SFXV7BA/ref=cm_sw_r_apa_i_JW6J83P7KBYXZ07A7ADR_2?_encoding=UTF8&psc=1

Fuses https://www.amazon.com/dp/B08R62KWNC/ref=cm_sw_r_apa_i_DDTJMJ94G4J6ZFWWRJ7J_0?_encoding=UTF8&psc=1

https://www.amazon.com/dp/B01MUT9DWJ/ref=cm_sw_r_apa_i_WS85HZA7AM3SPSGRV45B_0?_encoding=UTF8&psc=1

Does this look like it would work? And I'm guessing I'm still ok to use the same battery?