This phone from Samsung has a 3,700 mAh battery. A large 6.7" screen makes this phone easy to use, perfect for streaming videos.
Samsung Galaxy Z Flip5 - 512GB - Cream
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Samsung Galaxy Z Flip5 SM-F731 512 GB Smartphone - 6.7" Flexible Folding Screen Dynamic AMOLED Full HD Plus 1080 x 2640 - Octa-core (Cortex X3Single-c