According to experts, it is best to keep the phone power at about 50%, although the battery life usually decreases with the increase of the number of charging cycles, but when the battery power is kept at about 50%, the battery life will increase by four times. Therefore, wireless charging and wired charging are the same for mobile phones, the two harm the mobile phone, the real impact of the mobile phone is the charging itself, but have to admit that wireless charging is constantly developing.