This phone from TCL has a large 4,500 mAh battery. With a 2 GHz octa core processor, you get a lot of hardware for your money.
Amazon
TCL 20 Pro 5G Unlocked Smartphone with 6.67” AMOLED FHD+ Display, 48MP OIS Quad Camera, 6GB+256GB, 4500mAh Battery, US 5G Verizon Cellphone, Marine Blue (Does not Support Sprint/AT&T 5G)