It is narrated from Urwah bin al-Zubayr (may Allah have mercy on him) that on the day of Badr the Messenger of Allah (peace and blessings be upon him) made the battle-cry of the Muhajirun "Ya Bani Abd al-Rahman!" (O sons of Abd al-Rahman!), the battle-cry of the Khazraj "Ya Bani Abdillah!" (O sons of Abdullah!), and the battle-cry of the Aws "Ya Bani Ubaydillah!" (O sons of Ubaydullah!), and he named his cavalry "Ya Khayl Allah!" (O horsemen of Allah!).
This is mursal, and it has been narrated with a connected chain.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب قسم الفيء والغنيمة / 13050
It is narrated from Sayyidah Aishah (may Allah be pleased with her) that on the day of Badr the Messenger of Allah (peace and blessings be upon him) made the battle-cry of the Muhajirun "Bani Abd al-Rahman" (sons of Abd al-Rahman), that of the Aws "Bani Abdillah" (sons of Abdullah), and that of the Khazraj "Bani Ubaydillah" (sons of Ubaydullah).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب قسم الفيء والغنيمة / 13051
Sayyiduna Samurah bin Jundub (may Allah be pleased with him) said that the battle-cry of the Muhajirun was "Ya Abdallah!" (O servant of Allah!) and the battle-cry of the Ansar was "Ya Abd al-Rahman!" (O servant of the Most Merciful!).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب قسم الفيء والغنيمة / 13052
It is narrated from Sayyiduna Salamah bin al-Akwa' (may Allah be pleased with him): I was on a military expedition with Sayyiduna Abu Bakr (may Allah be pleased with him) in the time of the Messenger of Allah (peace and blessings be upon him), and our battle-cry was "Amit, amit!" (Kill, kill!).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب قسم الفيء والغنيمة / 13053
Muhallab bin Abi Sufrah (may Allah have mercy on him) said: One who heard the Messenger of Allah (peace and blessings be upon him) informed me that he would say: "If you spend the night (facing the enemy), let your battle-cry be 'Ha Mim, la yunsarun' (Ha Mim, they will not be helped)."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب قسم الفيء والغنيمة / 13054
It is narrated from Sayyiduna Bara' bin Azib (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Tomorrow you will meet the enemy, so let your battle-cry be 'Ha Mim, la yunsarun' (Ha Mim, they will not be helped)."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب قسم الفيء والغنيمة / 13055
Abu Ishaq heard from a man of Muzaynah, who said: The Messenger of Allah (peace and blessings be upon him) heard a man calling out his battle-cry: "Ya Haram, ya Haram" (O forbidden, O forbidden). The Messenger of Allah (peace and blessings be upon him) said: "Ya Halal, ya Halal" (O lawful, O lawful).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب قسم الفيء والغنيمة / 13056