A mobile phone battery: a battery to provide power for mobile phones is the only energy storage device, usually consists of three parts: batteries , protective (management) circuit , a housing . Depending on the cell phone battery may be classified into nickel-cadmium batteries , and lithium ion batteries are two, and most of current mobile phone batteries using a lithium ion battery . For cell phone batteries, battery capacity should be the core of the argument, put aside differences in factors different phone power consumption, the greater the battery capacity, the stronger endurance, so buy a large-capacity battery cell phone is absolutely right.
(1), the unit battery capacity: mAh (mAh) , for example, represents a current of 4.5A 4500mAh continuous discharge may be discharged when a total length of 1 hour.
(2), a battery protection (management) circuits: a battery charge and discharge at a small circuit board, an integrated protection circuit and the management circuit , and attached to one end of the cell casing through an insulating adhesive seal. Memory management circuitry functions of charging cycles, battery performance monitoring function, and temperature information of the factory. The protection circuit functions as overvoltage protection, overcurrent and over-temperature protection.
(3)