You can do various things with "battre" which means, as a transitive verb (takes an object): o beat; to clap (hands); to flap, flutter; to wink; to bang; to pound (the sidewak); to search; to shuffle (cards) and as an intransitive verb: to b eat and as a r eflexive verb to fight.
Here are the forms in the Present Indicative Ten se: je bats, tu b ats, il bat, nous battons, vous battez, ils battent.
Les garçons se battent = the boys fight, do fight, are fighting with each other.
Je bats des mains = I clap, do clap, am clapping or applauding.
Can you fight "with" someone, absolutely = nous nous battons avec les autres. = We fight, do fight, are fighting with the others.
Sra (aka Mme)