Whether it is battery or battery life, iPhone has always been one of the points of user ridicule, it can be said that it has reached the point of hearing the sad listener tears. Recently, users of the iPhone 14 series have joked that the iPhone 14 series has a serious battery aging problem. The iPhone 14 series was released and first sold on September 16, 2022, but at that time, because the new machine was just released and demand was strong, the average delivery time in all regions was relatively long, especially the Pro series version, the average delivery time took 33 days to 40 days, that is to say, even if the first to grab the new machine, It will take a month to get it delivered. In terms of time, the users of these iPhone 14 series have been using it for about 10 months to 11 months, and in less than a year, the battery health has been lower than 90%, and some users even said that the battery health has fallen to 87%. 
    It is understood that the battery capacity of the iPhone 14 with 6.1-inch screen is 3,279mah; The iPhone 14 Max with a 6.7-inch screen has a 4,325 mah battery; The iPhone 14 Pro with a 6.1-inch screen has a 3,200mah battery; The iPhone 14 Pro Max with a 6.7-inch screen has a 4,323 mah battery. For reference, the battery capacity of the iPhone 13, iPhone 13 Pro and iPhone 13 Pro Max is 3227mAh, 3095mAh and 4352mAh respectively. When the iPhone battery health is below 80%, the system will remind you to replace the battery, because the battery in this state, even with low-power A16 plus, can not withstand the use of ordinary people for a day. 
    In order to extend the battery life of the iPhone, users can take some measures, such as trying to charge when only 20% of the charge, to avoid the charge and discharge cycle; Turn on the optimized battery charging function; Also avoid charging in hot or cold environments; Try to use Apple original charger for charging and so on. And since March this year, Apple has raised the price of global battery repair. If users of the national bank version need to replace the battery, the iPhone model with the Home button needs 528 yuan to replace the battery. It costs 688 yuan to replace the battery for iPhone X series to iPhone 13 series models. If you buy AppleCare+ and the battery life is less than 80%, you can replace the battery for free. 
    How much do you charge your iPhone a day?
    "Always charge".
    In addition, there is the latest news that the iPhone 15 series will be released on September 12, it is known that the iPhone 15 is standard with "smart island design", but the Pro version of the border from 2.2 mm to 1.5 mm, the screen proportion is higher and the vision is more stunning; The edge of the fuselage is curved, which is rounder than the right Angle frame, and the holding feel is improved. The mute dial is also changed to the press type; The battery capacity of the whole system has increased, of which the iPhone 15 Plus is 4912mAh(an increase of 587mAh compared with the 14 Plus), the largest in the whole system, and the iPhone 15 is 3877mAh(an increase of 608mAh compared with the iPhone 14). The iPhone 15 Pro is 3650mAh(450mAh compared to the iPhone 14 Pro), the iPhone 15 Pro Max is 4852mAh(529mAh compared to the iPhone 15 Pro Max), and the whole system uses the Type-C interface. It is expected to offer faster charging speeds; Pro series equipped with A17 chip, running memory upgrade to 8GB, performance and background resident capability will usher in a huge upgrade; The Pro Max version comes with a periscope head; In terms of color matching, the iPhone 15 series is expected to have black, purple, azure, pink, while the iPhone 15 Pro series has streamer blue, streamer gold, streamer powder, streamer purple.