Many businesses in order to stimulate consumer desire to buy, usually in the form of an oral commitment to consumers: their cell phone battery standby time of up to a month, but the actual use mostly barely hold half a month, used a few times even after a few days no electricity.
Mobile phone battery is a special commodity, need to go through strict production and a variety of different strength tests, to buy or improper use may cause an explosion, must not lightly elect battery to avoid losses. Also in order to "long standby", preferably with the original battery, and pay attention to use the power-saving mode.
Battery capacity is the size of the battery storage, the unit is "mAh", Chinese name mAh (in measuring large capacity battery such as lead battery, for convenience, the general "Ah" to represent the Chinese name is safe , 1Ah = 1000mAh). Duration of the battery discharge due to the discharge current varies. The rated capacity of 1500mAh battery, for example: If 0.1C (C is the battery capacity) that is 150mA of current to the battery discharges, then the battery can last for 10 hours (1500mAh/150mA = 10h); if the discharge current is 1500mA, that power is only about 1 hour time. This is just the ideal state analysis, the actual time will be much shorter supply. Because digital devices actually work of the current can not always constant at a certain value (using a digital camera, for example, because of current LCD display, flash and other components on or off the big change), so the battery can be right a device operating time is approximate only, and this value is only through practical experience to estimate.
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