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Is your s25 ultra actually getting a 45 watt charge

(Topic created on: 18-02-2025 05:34 AM)
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S25 ultra user
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So I literally have searched hight and low called samsung checked your tube there are plenty of videos showing there phones charging amd charging times but what I don't see is a single video showing realte spects with either the input from the charger w a USB spec adapter or even real time charging specs 

So when I purchased my s25 ultra I purchased the oem 55watt fast charger from Samsung 

I also have 140 watt pd 3.1 Qualcomm QC 5.0 

And several 5 amp cords 

So the phone promises up to 45 watt charge but my phone won't exceed 19 watts I use the devcheck app I also have amphere which doesn't show amps but shows the same specs and you can do the amp math

So either  these phones aren't getting those specs or I have a lemon and before going through the return process I'd like clarity 

Side note it shows the time for full charge as normal shows 2.0 quick charge is active 

Repeat test w your 45 watt or higher charger single port use devcheck app and post your specs of your max watts received 

If the phones state they can get up to 45 w we should be getting more than half of that at these prices 

 

 

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26 REPLIES 26
johnz237
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"Plug and the charger" by charger I meant cable 😊
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S25 ultra user
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Thank you I've been wondering this i was on the phone with a samsung tech w remote access and he didn't even have that knowledge I wasn't even breaking 5wats while one the call w him w my battery at 80 which I found strange 

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S25 ultra user
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Yeah I heard this also yet on chat or call with a rep neither had knowledge of this which I found strange 

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S25 ultra user
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I'll have to drain down my battery and than try it at less than 30 to verify thanks for telling me something samsung has otherwise been unable too 🤣

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Joeeye
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It's normal to be around 5W at 80%+ battery. All phones will drop power as battery level rises. It's a safety mechanism for all lithium ion batteries.

You'll get better answers to your questions from Gemini than going through a technical rep over the phone from Samsung.
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S25 ultra user
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Sad 🤣 just interesting you get much faster charging times goi.g from 0 to 30 than from 70 to 100 but thanks for the clarification 

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Joeeye
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The cable with the S25 Ultra is perfectly capable of charging the device at 45W. I've tested my own and it works on any of my 45W PD 2.0 chargers.
Joeeye
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It's completely normal actually. You'll find all phones will typically do this. The nature of lithium ion batteries and nothing unexpected.
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S25 ultra user
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Yeah they said something about the included cable being a upgrade since it's a 25 watt cable interesting since it's not a 5amp thanks for clarifying 

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S25 ultra user
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This was apparently posted 16 hrs ago although I think this isn't based on the understanding on how smart charging works 

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