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Total discharge of the phone is relevant only to calibrate the battery, which discharges quickly, but in this case, the battery started having problems and it is better to give it to specialist, said the Agency "Prime" head of the Centre for digital expertise Roskoshestvo Anton Kukanov.

"disseminate information about what the battery life will significantly increase if you are going to discharge to 0% or that the operation of the laptop with the included power cable reduces the battery life – it is a myth that has nothing to do with reality" — the expert explains.

The fact that in most modern devices the user equipment uses a lithium-ion or lithium-polymer batteries. They do not require a full cycle of discharging and charging, this was true only for older battery types.

Kukanov advises to put the battery on charge at the moment when the phone itself will warn the owner about the low level of energy (about 10-15%). Also, you should only use the original charger and not to charge the gadget cheap Chinese counterparts. In addition, it is not recommended to leave the battery in the sun and in areas with excessively high or low temperature.

"If you think some app quickly drains your phone, check it through the statistics of the energy consumption of the phone in settings. Also it is not necessary to run energy-intensive processes while charging the battery" — the expert concludes.