This phone from ASUS has a large 6,000 mAh battery. This phone is packing an octa core processor for optimal performance.
From Amazon
ASUS ROG Phone 6, Qualcomm Snapdragon 8+ Gen 1, SM8475, 6.78" FHD+ (2448x1080) 165Hz, 16GB RAM, 512GB Storage, Android 13, 50MP Rear Camera + 12MP Front Camera, 6000mAh, Dual Sim, Black, UK
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ASUS ROG Phone 6, 6.78", 16GB, 512GB 5G 165Hz Gaming Smartphone Snapdr