Charging Case Power Bank For iPhone X XS XR 11 12 13 14 15 Pro Max Phone Case
The most important reason is the conversion rate. Battery capacity: 6800mAh, the Rated capacity is 3900-4200mAh. Working temperature: 0-45 temperature degree. So the 5,000mAh power bank can really be used by us only about 3000-4000mAh.