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Original topic:

Phone battery backup

(Topic created on: 04-07-2025 10:44 AM)
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Wooleybear
Active Level 2
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Hi everyone: I just endured 8 days without power due to an ice storm. Cell phones dying was an issue. My vehicle has a charging port but I didn't drive far enough to get much charge. Has anyone used a battery backup to charge their phone? I see conflicting answers as to whether to just plug in to the running generator, I don't want to damage my phone. I also saw that some battery backups don't support Samsung fast charge. Any advice would be appreciated.
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11 Comments
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RedDogRabbit
Expert Level 5
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You can try something like this.. check the Reviews. 

https://a.co/d/0LsgMao

I'd get the 20,000 MAh 

I DEFINITELY would NOT plug your phone into the generator directly... MAYBE with a power bar. 

 

Wooleybear
Active Level 2
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That looks like what I need . Buying it now. Thanks so much for the help!
pharaohdog
Beginner Level 2
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Hey bear, i wouldn't do that if I were u, and I'm sorry for what happened to you guys
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SgtStubby
Active Level 10
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I recommend a battery jump pack for your car. They also have usb charge ports led flashlights and emergency strobe flashing. I got a Gooloo GE4500 from Walmart delivery to my door for $85.
I have helped stranger's jump start their cars and sometimes they even stuff money in your pocket.
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Wooleybear
Active Level 2
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Thanks but that's not what I need. I need something to charge phones without using my vehicle (which I can do but inconvenient and not enough charge on a short trip to buy gas for generator) 😂
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vicbhinder
Beginner Level 2
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After I update tonight my s25 ultra starting charging issues. Same charger and cable charging before fine no issue and after update today 6th April it's start charging like pulse running charging and stop charging every second. But it's working fine with same cable im using before but changed Samsung 25v charger than working fine.
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RedDogRabbit
Expert Level 5
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Don't know if this will fix your issue, but Boot into Recovery & Wipe Cache.. I do after every Security Patch OTA. 

No charging issues with my S25 Ultra after the update. 

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Helenna
Moderator
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Hi Wooleybear,

That sounds like a tough 8 days glad you're safe!

As adviced by RedDogRabbit please avoid plugging your phone straight into the generator. If you must, only do it with a high-quality surge protector or power strip in between to prevent any voltage spikes from damaging your device.

Thank you RedDogRabbit for your suggestions.

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Wooleybear
Active Level 2
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I thought it was potentially damaging to your phone but my husband did it (against my advice) then after checking online there are plenty of opinions that it's safe. I'm buying the battery backup, Hubby is on his own 😂!
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