Intelligent Protection:27000mAh Fast charging power bank with built-in intelligent protection system, can effectively prevent overcharging, overvoltage, overcurrent and excessive power, avoid the risk of overheating and battery damage, Safe Charging. High Capacity: USB C portable phone charger with built-in 27000mAh large capacity lithium polymer battery, can charge iPhone 15 6 times, and Galaxy S22 5 times. Don't worry about the phone battery is low.,Intelligent Protection:27000mAh Fast charging power bank with built-in intelligent protection