replace

I replace the battery.

私は電池を取り替えます

I replace the battery with a new one.

私は新しいものに電池を取り替えます

I replace the battery with a new one in the living room.

私は居間で新しいものに電池を取り替えます

I replace the battery with a new one in the living room now.

私は今居間で新しいものに電池を取り替えます

I replace the battery with a new one with my brother in the living room now.

私は弟と今居間で新しいものに電池を取り替えます