The Prophet (ﷺ) did not cauterize those who fought and of those who were renegades

Sahih al-Bukhari · Book 86 · Hadith 6803

حَدَّثَنَا مُحَمَّدُ بْنُ الصَّلْتِ أَبُو يَعْلَى، حَدَّثَنَا الْوَلِيدُ، حَدَّثَنِي الأَوْزَاعِيُّ، عَنْ يَحْيَى، عَنْ أَبِي قِلاَبَةَ، عَنْ أَنَسٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَطَعَ الْعُرَنِيِّينَ وَلَمْ يَحْسِمْهُمْ حَتَّى مَاتُوا‏.‏

Narrated Anas: The Prophet (ﷺ) cut off the hands and feet of the men belonging to the tribe of `Uraina and did not cauterise (their bleeding limbs) till they died.