This phone from Zte has a 4,000 mAh battery. Kid-friendly features and durable design make it perfect for young users, but it's also a great secondary phone.
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ZTE Blade A72 (2022) Dual SIM 6.74-inch 90Hz Display, 3GB RAM, 64GB Storage, 13MP Camera, 6000mAh Battery, International Version (Unlocked) for GSM Carriers Only Not for CDMA Carriers - (Gray)