Anker 321 MagGo Battery (PowerCore Magnetic 5K), 5,000mAh Magnetic Wireless Portable Charger, Compatible with iPhone 14/13/12 Series (Black) Product Features Sleek and Portable: Measuring just 3.7 2.5 0.59 inches, this power bank easily fits in your pocket or bag, making it the perfect travel companion to keep your iPhone charged on the go. 5,000mAh Capacity: With a powerful 5,000mAh battery, it provides up to 19 hours of extended video playtime for your iPhone 14 Pro Max. Your Safety, Our Priority: Equipped with Negative Temperature Coefficient (NTC) sensors that monitor temperatures up to 7,200 times per hour for a safer charge. Charge While Recharging: Seamlessly charge your iPhone while Anker 321 Magnetic Battery is recharging, eliminating the need to wait for the power bank to be fully charged before using it.