Masnun Dua Before Battle

اُغْزُوا بِاسْمِ اللَّهِ فِي سَبِيْلِ اللَّهِ قَاتِلُوا مَنْ كَفَرَ بِاللَّهِ اُغْزُوا وَلَا تَغُلُّوا وَلَا تَغْدِرُوا وَلَا تَمْثُلُوا وَلَا تَقْتُلُوا وَلِيْدًا

Transliteration

Ughzu bismillaahi fi sabilillaahi qaatilu man kafara billaahi. Ughzu wa laa tagullu wa laa tagdiru wa laa tamthulu wa laa taqtulu walida.

Meaning

Fight in the name of Allaah and in the path of Allaah and with him who disbelieves in Allaah fight and do not be treacherous and do not be dishonest about boot yand do not deface (in killing) and do not kill a child.

Source: Muslim: 1731