The phone charger shows two charging signals because it is charging quickly.
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1. We need to know that when the mobile phone is charging, the number of charging signals actually represents the charging speed of the mobile phone, and the only lightning icon is ordinary charging.
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If you use a mobile phone that supports super or fast charging, you can use the original charger, the charging icon shows two charging signals is fast charging.
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We can also judge whether our charger is fast or super charging on the charging head of the phone.
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Of course, we can also look at the output power of the charging head to determine whether it is fast charging.
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Charging As long as there is no bad contact, you can quickly charge.