【4500mAh High Capacity Last Longer】Equipped with a powerful 6800mAh built-in lithium battery, add more than 150%+ power for your iPhone 11, effectively extend the battery life. Perfect for traveling, camping, business trip or other outdoor occasions.
Battery Case for iPhone 11 Pro Max, 4500mAh Protective Portable Charging Case, Rechargeable Extended Battery Pack Power Backup Cover for Apple