Is it true that mobile phones have a long standby time?
Many businesses, in order to stimulate consumers' purchasing desire, usually promise verbally to consumers that their mobile phone batteries can last for more than a month in standby time, but in actual use, they can only barely last for more than half a month, and after using them a few times or even a few days, they run out of battery.
Mobile phone batteries are special products that require strict production and various strength tests. Improper selection or use may cause explosions, so it is not advisable to randomly select batteries to avoid losses. In addition, to achieve "ultra long standby", it is best to use original batteries and pay attention to using power-saving mode. Batteries priced at tens or tens of yuan are generally counterfeit and cannot meet the standby time promised by merchants. Do not believe the lie of ultra long standby.
Battery capacity refers to the amount of electricity stored in a battery, measured in milliampere hours (mAh). Its Chinese name is milliampere hour (for the sake of convenience, when measuring large capacity batteries such as lead-acid batteries, Ah is generally used, and its Chinese name is ampere hour, with 1Ah=1000mAh). The length of battery discharge time varies depending on the discharge current. Taking a battery with a rated capacity of 1500mAh as an example: if the battery is discharged with a current of 0.1C (C is the battery capacity) or 150mA, the battery can work continuously for 10 hours (1500mAh/150mA=10h); If the discharge current is 1500mA, the power supply time is only about 1 hour. This is just an analysis under ideal conditions, and the actual power supply time will be much shorter. Because the current of digital devices during actual operation cannot always remain constant at a certain value (taking digital cameras as an example, the operating current can vary greatly due to the turning on or off of components such as LCD displays and flashlights), the battery's power supply time to a device can only be an approximate value, and this value can only be estimated through actual operational experience.
