This phone from Umidigi has a large 6,150 mAh battery. This model has a generous 6.6" display.
Amazon
UMIDIGI F3 Pro 5G Unlocked Cell Phones, Android 13 Unlocked Phones, 12(6+6)GB+128GB, 48MP Main Camera, 6.6” FHD+ Display Screen, Octa-Core Processor, 6000mAh Battery, Dual 5G Unlocked Smartphone, NFC