The battery is one of the most important elements in any device. The scope of its application is quite wide, ranging from quartz clocks to powerful reactive power compensators at industrial substations. Much depends on the ability to accumulate electrical energy, in particular, the operating time of the device until the battery is charged. This time directly depends on such a parameter as battery capacity. The greater the amount of stored energy in it, the longer it can work before the next recharge.
Currently, there is a tendency to reduce the size of the battery while increasing its capacity. This is achieved through the use of various materials and the improvement of the manufacturing technology of devices. In the mobile device market, nickel-cadmium batteries with good performance parameters are successfully used. CapacityThe battery is measured in the ratio of the rated current for the maximum amount of time. In other words, the manufacturer of the device specifies how long the battery can operate without recharging at the rated load current.
It is also necessary to take into account the peculiarities of battery operation. Usually, the manufacturer himself indicates in which mode the device should be used and in which case it can be recharged. Violation of the operating mode leads to the fact that over time the capacity of the battery drops. This leads to a rapid failure of the device.
For example, we can say that the capacity of a laptop battery will not change over a long period of time if it is properly used. It is not recommended to keep the laptop connected to the mains at all times. This will result in a quick loss of the device, as the battery capacity will be significantly reduced. The most optimal for such devices is the mode of full charge of the battery, which is replaced by its fullest possible discharge. The same can be said for all nickel-cadmium-based batteries.
Some camcorders, mostly made in Korea, are equipped with a special device that fully and optimally discharges the battery after use. A fully discharged battery can be stored for a long time until the next use of the camcorder.
There are special deviceswhich can measure the battery capacity. They determine this parameter by the check digit method. A fully charged device is placed in the device, which begins to measure the discharge current, voltage and discharge time. As soon as the battery voltage drops to a certain value, the test ends. The management of modern battery capacity meters is based on controllers. They accurately determine the required parameter and display the result on the display. In the same way, you can follow the measurement process itself. Usually, the measurement time does not exceed one or two hours.
