Original topic:

Why is my battery not charging at super fast anymore?

(Topic created: an hour ago)
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Aleblade11
Asteroid
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Galaxy S25
Yesterday it i noticed my charging was not superaste it said 2 hours when usually be 55 minutes and this is when my battery is at 24% but all day today has been slow with any cable the 3 or the 5 with the 45w charging brick. I tried the hard reset with the fast charging button off and nothing it starts and theb it switches back to just charging.. 
7 Replies
Pianodude58
Honored Contributor
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Galaxy S25
Not all USB-C cables are equal. A 45W charger requires a 5A (Ampere) cable to achieve "Super Fast Charging 2.0".

Try a different, high-quality USB-C to USB-C cable. If the cable is worn or damaged internally, it will default to slow charging.

If trying different cables, and resetting settings didn't work, then the 45W charging brick itself or the phone's port might have developed a hardware fault, requiring a visit to a repair service.
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mermaidcaviar
Supernova
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Galaxy S25
It could be for cord maybe? Is it Samsung branded? If not, you would need the proper voltage for your phone model. 55 minutes is way too long. Plus and Ultra models use 45w. S series and A models use a 25w. You should get the proper voltage.
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Pianodude58
Honored Contributor
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Galaxy S25
The S25 FE also uses 45W, so your statement is incorrect
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mermaidcaviar
Supernova
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Galaxy S25
Well sorry sheet
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Pianodude58
Honored Contributor
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Galaxy S25
Just want to make sure that what you're posting is not misinformation, so as to best help other users.
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mermaidcaviar
Supernova
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Galaxy S25
Okay, sorry. I got my information from Gemini about the wattage
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Pianodude58
Honored Contributor
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Galaxy S25
Gemini doesn't always get it right.
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rollover50
Constellation
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Galaxy S25
I am also having issues with my Samsung Galaxy S25. I plug it in at 35% and it says 1 hour to full. Within minutes The percentage of charge changes and the time to fully charge goes up. I have not been able to get the battery above 75% in the last 3 days or since the update
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