Most of the speakers have charging lights, taking King Kong G12 as an example, the traffic light alternatingly flashes when charging, and the green light is long when fully charged, and no longer flashes. Do not believe the so-called full after the extension of a few hours of the statement, most of the rechargeable batteries are lithium batteries, lithium batteries are best full of power, it is best not to charge completely after the discharge, because lithium batteries are afraid of charging, but also afraid of discharge, which is the structure of the lithium battery and charging principle determined. Usually with the use of charge, full is broken, in order to ensure that the battery durable.