At present, the majority of mobile phone batteries have been commonly used lithium-ion batteries, their useful life determined by the number of charge-discharge, the general licensed battery the number of repeated charge-discharge theory, can achieve more than 1000 times in order to infer that the sony laptop battery can be used in general 2-3 years.

However, due to the use of mobile phones with all-weather, so the battery life in actual use will be reduced, generally 1-2 years after the standby time will be substantially reduced.