Question

Difference between
War & Battle

Answer 1

A battle is a combat between two or more armed forces. ... Battles are between soldiers, while war is between countries or nations. Battles can be won and lost, but it may not determine the end of the War. Battles are usually short term, while wars are lengthy.

Answer 2

sustained fight between large organized armed forces is battle

War is a state of armed conflict between different countries or different groups within a country.

I think battle is an older term and is not used these days. It's not possible to give exact differences coz both terms are almost interchangeable..