When you can’t pray aloud, lay in God’s Presence and allow Holy Spirit to do His greatest work for you. Sometimes our verbal prayers give Satan Amunition against. Every talk with Abba Father does not need to be verbal. Learn to whisper or just think. God has access to those but Satan does not.
Learn and understand your battle grounds and differentiate thrm from your pasture. Stop making everything about battle or war. This is also a tactic of the enemy. To drain you so that you have no energy to battle when it’s time.