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Windows 7: Fried battery

09 Sep 2015   #1
yomama365

Windows 7 pro x64 (or win 10 pro)
 
 
Fried battery

Hi everyone, i was pushing a bare ground wire from a usb into the ground port on a pc fan, it was still plugged into the pc. This caused an electric arc, causing a glowing flame effect, not a real flame though, similar to when you plug something into a cheap travel adapter. All my usb ports work fine still. Laptop works ok. My only concern is will the battery be damaged by this? So far the battery is discharging at the normal rate


My System SpecsSystem Spec
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09 Sep 2015   #2
UsernameIssues

W7 Pro SP1 64bit
 
 

There are battery charge/discharge circuits that limit the current that can flow each way. Every reputable battery manufacturer uses a charge/discharge chip set that protects against short circuits. Your battery is fine.
My System SpecsSystem Spec
09 Sep 2015   #3
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

Hi,
Yep not a good idea to work with wires while the system is hot
My System SpecsSystem Spec
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09 Sep 2015   #4
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Okay, make my day and explain why one would do such a thing.

From post #1
Quote:
i was pushing a bare ground wire from a usb into the ground port on a pc fan, it was still plugged into the pc.
My System SpecsSystem Spec
09 Sep 2015   #5
yomama365

Windows 7 pro x64 (or win 10 pro)
 
 

Quote   Quote: Originally Posted by Layback Bear View Post
Okay, make my day and explain why one would do such a thing.

From post #1
Quote:
i was pushing a bare ground wire from a usb into the ground port on a pc fan, it was still plugged into the pc.
Had plus minus wires inserted into fan header to test a fan. Fan stopped when one of the wires came loose. Usually id unplug it then fix it but i was lazy and fixed it while it was still plugged in. It was a dumb move
My System SpecsSystem Spec
09 Sep 2015   #6
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

Hi,
Most people might have used a port of a known good fan to test another fan with,
Still shutting down first though and restarting....
My System SpecsSystem Spec
09 Sep 2015   #7
yomama365

Windows 7 pro x64 (or win 10 pro)
 
 

Quote   Quote: Originally Posted by ThrashZone View Post
Hi,
Most people might have used a port of a known good fan to test another fan with,
Still shutting down first though and restarting....
Yes it was stupid, but everything still works (so far). Im so glad i didnt damage the laptop
My System SpecsSystem Spec
10 Sep 2015   #8
yomama365

Windows 7 pro x64 (or win 10 pro)
 
 

Would it be safe to continue making my usb fan but cut and solder and insulate the connectors for extra safety. Would the usb port still be able to drive the usb fan after that. Things all work fine, but what kind of minor damage could there be that arnt effecting me
My System SpecsSystem Spec
10 Sep 2015   #9
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Please post a website of the fan you are trying to use.
My System SpecsSystem Spec
10 Sep 2015   #10
yomama365

Windows 7 pro x64 (or win 10 pro)
 
 

Quote   Quote: Originally Posted by Layback Bear View Post
Please post a website of the fan you are trying to use.
Just an old pc fan i got from my computing teacher. Dc brushless
My System SpecsSystem Spec
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 Fried battery




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