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A "charge cycle" is not a unit of time; the length of time spent charging or discharging does not affect the number of charge cycles. [1] Each battery is affected differently by charge cycles. [2] [3] In general, number of cycles for a rechargeable battery (the cycle life) indicates how many times it can undergo the process of complete charging ...
The Apple Watch Series 10 retains 50 meters of water resistance and is the fastest-charging Apple Watch to date, reaching 80% battery in 30 minutes. The device features an 18-hour battery life. The device features an 18-hour battery life.
The first digital watch was the Pulsar, introduced by the Hamilton Watch Company in 1972. The "Pulsar" became a brand name, and would later be acquired by Seiko in 1978. In 1982, a Pulsar watch (NL C01) was released which could store 24 digits, likely making it the first watch with user-programmable memory, or the first "memorybank" watch.
The Lightning connector was introduced on September 12, 2012, with the iPhone 5, as a replacement for the 30-pin dock connector. [3] The iPod Touch (5th generation), iPod Nano (7th generation), [4] iPad (4th generation) and iPad Mini (1st generation) followed in October and November 2012 as the first devices with Lightning.
In a battery electric vehicle (BEV), the state of charge indicates the remaining energy in the battery pack. [4] It is the equivalent of a fuel gauge.. The state of charge can help to reduce electrical car's owners' anxiety when they are waiting in the line or stay at home since it will reflect the progress of charging and let owners know when it will be ready. [5]
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The Apple Watch smartwatch was announced by Tim Cook on September 9, 2014, being introduced as a product with health and fitness-tracking. [59] [60] It was released on April 24, 2015. [61] [62] [63] It uses watchOS as its operating system; watchOS is based on iOS, with new features created specially for the Apple Watch such as an activity ...
On iPhones with a Touch ID sensor, the home button cannot be replaced by users or independent repair shops without losing Touch ID functionality, since Apple has not made their calibration tool public. [133] Starting with the iPhone XR, Apple displays warnings in the Settings app if the battery, display, or camera are replaced by a third party ...