• Cell Phone Charging

    From Ed Vance@21:1/175 to All on Wed Apr 9 09:24:43 2025
    When I was in High School I took a Electric class.
    There was a 6Volt Battery , some assorted length wires with battery clips on each end and some homemade Resistors with wire wrapped around a strip of Bakelite.
    The Teacher gave us Schematics showing Series,circuit to calculate the Voltage and Current we should get when we assembled the circuit and then used a VOM to see the readings on the circuit.

    We were told to ALWAYS wire the circuit up first , connect the VOM and then put the battery clips on the battery.

    When I charge my ell phone I put the USB C plug in the jack on the phone and then plug the other end in the A.C. socket.

    When it is charged up I unplug the A.C. plug from the socket and remove the USB C plug from the phone

    I know it is only 5 Volts but I do it that way.

    Most folks I see unplug the wire from their phone first , then unplug the A.C. end.

    Probably doesn't matter, but I'm set in my ways
    Ed
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  • From Adrian Caspersz@21:1/5 to Ed Vance on Fri Apr 11 09:29:52 2025
    On 08/04/2025 21:24, Ed Vance wrote:
    When I was in High School I took a Electric class.
    There was a 6Volt Battery , some assorted length wires with battery clips on each end and some homemade Resistors with wire wrapped around a strip of Bakelite.
    The Teacher gave us Schematics showing Series,circuit to calculate the Voltage
    and Current we should get when we assembled the circuit and then used a VOM to
    see the readings on the circuit.

    We were told to ALWAYS wire the circuit up first , connect the VOM and then put
    the battery clips on the battery.

    When I charge my ell phone I put the USB C plug in the jack on the phone and then plug the other end in the A.C. socket.

    When it is charged up I unplug the A.C. plug from the socket and remove the USB C plug from the phone

    I know it is only 5 Volts but I do it that way.

    Most folks I see unplug the wire from their phone first , then unplug the A.C.
    end.

    Probably doesn't matter, but I'm set in my ways
    Ed

    In a parking lot, I came across a taxi driver with his hood open, a flat battery inside, him looking for a jump start.

    He'd already attached cables to his car battery and was just casually
    holding both leads in one hand, with remaining charge ready to bite...


    I made my excuses and left.


    --
    Adrian C

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  • From Ralph Mowery@21:1/5 to All on Sat Apr 12 11:40:00 2025
    In article <m5s280Fl2kkU1@mid.individual.net>, email@here.invalid
    says...

    In a parking lot, I came across a taxi driver with his hood open, a flat battery inside, him looking for a jump start.

    He'd already attached cables to his car battery and was just casually
    holding both leads in one hand, with remaining charge ready to bite...


    I made my excuses and left.


    --
    Adrian C



    I bought one of the lithium emergency power jump starter battery.
    Those things amaze me. Got one off Tumu for about $ 25 and unhooked the battery on my Toyota 4 cylinder truck. It started the truck 3 times and
    I quit at that . It may have started it even more. For my truck and
    car I did buy a better one off Amazon for around $ 50 or maybe more.
    Have not had to use them yet. The better ones will not send out any
    power if the car battery voltage is below about 10 volts or you try to
    hook it up reversed. There is an over ride button that will send out
    power to a totally dead battery or probably evenif hoked in reverse.
    The cheap ones do not have this feature.
    They even have phone charging sockes.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Ed Vance@21:1/175 to Adrian Caspersz on Sat Apr 12 11:21:35 2025

    On 08/04/2025 21:24, Ed Vance wrote:

    In a parking lot, I came across a taxi driver with his hood open, a flat battery inside, him looking for a jump start.

    He'd already attached cables to his car battery and was just casually
    holding both leads in one hand, with remaining charge ready to bite...

    I made my excuses and left.

    --
    Adrian C

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)


    It has been a long time since I had or gave someone else a Jump that I had to try remembering the procedure.

    Here is what came to My mind:
    1 attach a Red clamp to the Positive post of the good battery.
    2 put the other Red clamp on the Positive post of the battery that needs the jump.
    3 put a Black clamp on the battery that needs the jump.
    4 put the other Black clamp on a piece of bare metal on your car that is away from the battery (in case your battery explodes).
    Ed
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    * Origin: capitolcityonline.net * Telnet/SSH:2022/HTTP (21:1/175)
  • From Roger Hayter@21:1/5 to All on Sat Apr 12 17:23:36 2025
    On 8 Apr 2025 at 21:24:43 BST, "Ed Vance" <Ed Vance> wrote:

    When I was in High School I took a Electric class.
    There was a 6Volt Battery , some assorted length wires with battery clips on each end and some homemade Resistors with wire wrapped around a strip of Bakelite.
    The Teacher gave us Schematics showing Series,circuit to calculate the Voltage
    and Current we should get when we assembled the circuit and then used a VOM to
    see the readings on the circuit.

    We were told to ALWAYS wire the circuit up first , connect the VOM and then put
    the battery clips on the battery.

    When I charge my ell phone I put the USB C plug in the jack on the phone and then plug the other end in the A.C. socket.

    When it is charged up I unplug the A.C. plug from the socket and remove the USB C plug from the phone

    I know it is only 5 Volts but I do it that way.

    Most folks I see unplug the wire from their phone first , then unplug the A.C.
    end.

    Probably doesn't matter, but I'm set in my ways
    Ed

    Some interfaces are designed to be hot plugged and some aren't. USB is one of those that is. However, if your cell phone is currently(sic) charging at several amps as some of them do nowadays then it seems highly undesirable to unplug the charging lead because of the risk of arcing at the contacts as they are broken. When it has stopped charging it probably doesn't matter, as usb is designed for this.

    --

    Roger Hayter

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  • From Carlos E.R.@21:1/5 to Ralph Mowery on Tue Apr 15 10:59:33 2025
    On 2025-04-12 17:40, Ralph Mowery wrote:
    In article <m5s280Fl2kkU1@mid.individual.net>, email@here.invalid
    says...

    In a parking lot, I came across a taxi driver with his hood open, a flat
    battery inside, him looking for a jump start.

    He'd already attached cables to his car battery and was just casually
    holding both leads in one hand, with remaining charge ready to bite...


    I made my excuses and left.



    I bought one of the lithium emergency power jump starter battery.
    Those things amaze me. Got one off Tumu for about $ 25 and unhooked the battery on my Toyota 4 cylinder truck. It started the truck 3 times and
    I quit at that . It may have started it even more. For my truck and
    car I did buy a better one off Amazon for around $ 50 or maybe more.
    Have not had to use them yet. The better ones will not send out any
    power if the car battery voltage is below about 10 volts or you try to
    hook it up reversed. There is an over ride button that will send out
    power to a totally dead battery or probably evenif hoked in reverse.
    The cheap ones do not have this feature.
    They even have phone charging sockes.

    Those features are nice, but why would a normal person buy it?

    I made myself a pair of jump start cables from cables that were surplus
    from a telephone exchange. Very good cables, thick. That would be 1999.
    I carry them in my car, but I don't remember having ever used them.
    Maybe once?

    A nice kit like you describe would probably have the battery die of old
    age in that time. For a garage or parking lot to have, yes, but a normal person?

    --
    Cheers, Carlos.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Ralph Mowery@21:1/5 to All on Tue Apr 15 15:17:35 2025
    In article <loj1dlxcgk.ln2@Telcontar.valinor>, robin_listas@es.invalid
    says...


    I bought one of the lithium emergency power jump starter battery.
    Those things amaze me. Got one off Tumu for about $ 25 and unhooked the battery on my Toyota 4 cylinder truck. It started the truck 3 times and
    I quit at that . It may have started it even more. For my truck and
    car I did buy a better one off Amazon for around $ 50 or maybe more.
    Have not had to use them yet. The better ones will not send out any
    power if the car battery voltage is below about 10 volts or you try to
    hook it up reversed. There is an over ride button that will send out
    power to a totally dead battery or probably evenif hoked in reverse.
    The cheap ones do not have this feature.
    They even have phone charging sockes.

    Those features are nice, but why would a normal person buy it?

    I made myself a pair of jump start cables from cables that were surplus
    from a telephone exchange. Very good cables, thick. That would be 1999.
    I carry them in my car, but I don't remember having ever used them.
    Maybe once?

    A nice kit like you describe would probably have the battery die of old
    age in that time. For a garage or parking lot to have, yes, but a normal person?

    --
    Cheers, Carlos.



    I have jumper cables in my car also. That does not help if you are
    somewhere there are no others around to jump you off. I may neve use
    it,but like insurance it is conforting to know I have it if needed. Abou
    t 2 years ago I did not have one and the battery died in my car. Had to
    call my son to come and jump me off. Just good that he was not working
    that day. I think that I have only had to use them 3 times in about 60
    years of driving.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From micky@21:1/5 to Caspersz on Wed Apr 16 18:14:14 2025
    In sci.electronics.repair, on Fri, 11 Apr 2025 09:29:52 +0100, Adrian
    Caspersz <email@here.invalid> wrote:



    In a parking lot, I came across a taxi driver with his hood open, a flat >battery inside, him looking for a jump start.

    He'd already attached cables to his car battery and was just casually
    holding both leads in one hand, with remaining charge ready to bite...

    Not so much lately, but I've done just that at least 30 times. People
    who see the cables know what I need. Someone will always stop and help.
    It takes under 5 minutes. Even with crummy cables one can wait until the
    dead batttery is charged a bit. That takes another 5 minutes or less.

    One time a young pretty black girl stopped. Usually girls won't stop at
    all. I think she was the first, black or white**. Maybe they're afraid.
    But she wasn't. She behaved normally. In return for her kindness to me,
    I didn't attack her. That seems fair. I don't think she appreciated it because she never thought I was going to attack her in the first place.

    **In fact a lot of women don't even wave when you let them in, in front
    of your car.

    I made my excuses and left.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From micky@21:1/5 to Ed Vance on Wed Apr 16 18:07:02 2025
    In sci.electronics.repair, on Wed, 09 Apr 2025 09:24:43 +1300, Ed.Vance@f10.n1.z11914.fidonet.org (Ed Vance) wrote:

    When I was in High School I took a Electric class.
    There was a 6Volt Battery , some assorted length wires with battery clips on >each end and some homemade Resistors with wire wrapped around a strip of >Bakelite.
    The Teacher gave us Schematics showing Series,circuit to calculate the Voltage >and Current we should get when we assembled the circuit and then used a VOM to >see the readings on the circuit.

    We were told to ALWAYS wire the circuit up first , connect the VOM and then put
    the battery clips on the battery.

    When I charge my ell phone I put the USB C plug in the jack on the phone and >then plug the other end in the A.C. socket.

    When it is charged up I unplug the A.C. plug from the socket and remove the >USB C plug from the phone

    I know it is only 5 Volts but I do it that way.

    Most folks I see unplug the wire from their phone first , then unplug the A.C. >end.

    Probably doesn't matter, but I'm set in my ways
    Ed

    Raise a person in the way that he should go, and when he is older, he
    will not depart from it.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From micky@21:1/5 to NONONOmisc07@fmguy.com on Wed Apr 16 18:38:44 2025
    In sci.electronics.repair, on Wed, 16 Apr 2025 18:34:31 -0400, micky <NONONOmisc07@fmguy.com> wrote:



    https://www.prioritystart.com/
    Six models, including marine and 24 volts. I have this one:
    https://www.mcssl.com/store/prioritystart/12vpromax
    Now it's even more money, $115.

    Also https://www.amazon.com/PriorityStart-12-Volt-Pro-SP-Automatic-Battery-Protector/dp/B0030A10V0/ref=pd_bxgy_d_sccl_2/132-7756664-3481717
    and one a little bigger, maybe for trucks https://www.amazon.com/PriorityStart-ProMax-Battery-Vehicle-Protector/dp/B07FXY1G4N

    I even found copper rings that go around battery posts, that have a tab
    that fits the connector.

    Something strange about the Toyota battery cable terminals, however.
    It's hard to get them tight enough.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From micky@21:1/5 to Mowery on Wed Apr 16 18:34:31 2025
    In sci.electronics.repair, on Tue, 15 Apr 2025 15:17:35 -0400, Ralph
    Mowery <rmowery42@charter.net> wrote:

    In article <loj1dlxcgk.ln2@Telcontar.valinor>, robin_listas@es.invalid >says...


    I bought one of the lithium emergency power jump starter battery.
    Those things amaze me.

    Yes, when I had an old battery it went dead at a hamfest and a guy
    jumped me with one of those. Amazing. I don't get it. I've seen
    regular (cheap, not very thick) battery cables get so hot while giving
    a jump that the insulation melted, but the cables on these new things
    are much thinner yet. Yes, engines are smaller and starter motors use
    less current, but not that much less current, and these wires are even
    thinner.

    Got one off Tumu for about $ 25 and unhooked the
    battery on my Toyota 4 cylinder truck. It started the truck 3 times and >> > I quit at that . It may have started it even more. For my truck and
    car I did buy a better one off Amazon for around $ 50 or maybe more.
    Have not had to use them yet. The better ones will not send out any
    power if the car battery voltage is below about 10 volts or you try to
    hook it up reversed. There is an over ride button that will send out
    power to a totally dead battery or probably evenif hoked in reverse.
    The cheap ones do not have this feature.
    They even have phone charging sockes.

    Those features are nice, but why would a normal person buy it?

    In case no one else is around.

    I made myself a pair of jump start cables from cables that were surplus
    from a telephone exchange. Very good cables, thick. That would be 1999.
    I carry them in my car, but I don't remember having ever used them.
    Maybe once?

    A nice kit like you describe would probably have the battery die of old
    age in that time.

    You're supposed to charge it every 6 months. I should do that soon.

    For a garage or parking lot to have, yes, but a normal
    person?

    --
    Cheers, Carlos.



    I have jumper cables in my car also. That does not help if you are

    Me too.

    somewhere there are no others around to jump you off. I may neve use
    it,but like insurance it is conforting to know I have it if needed. Abou
    t 2 years ago I did not have one and the battery died in my car. Had to
    call my son to come and jump me off. Just good that he was not working
    that day. I think that I have only had to use them 3 times in about 60
    years of driving.

    I don't think your son will come for me, even if he's not working.

    In addition to the cables, I used to have Battery Buddy. When the
    voltage gets too low, it disconects the battery. Then you have to open
    the hood and press a big read button. The first one lasted about 10
    years. Got used quite a few times. When it failed they weren't
    selling them except on ebay or something, came in a plain brown box. It
    only lasted a year or two. They must have been rejects t hat the
    company would not sell until it went bankrupt, someone bought it and
    sold everything whether it was good or not.

    The only equivalent thing I could find was Priority Start, 3 or 4 times
    the price. But it works great, and I don't have to open my hoood or
    even get out of my seat. No need to get wet in the rain. Just press the
    brake pedal or something that uses more current than an LED, and it
    reconnects the battery. You can almost hear the motor turning that
    moves the contacts inside back to each other. Battery Buddy had a
    spring you had to move with the big red button.


    https://www.prioritystart.com/
    Six models, including marine and 24 volts. I have this one:
    https://www.mcssl.com/store/prioritystart/12vpromax
    Now it's even more money, $115.

    I used it on the 2000 Solara and there was plenty room. On the 2005
    solara I have to buy the physically smaller size for there to be room.

    You do have to reset all the presets on the radio, and supposedly my car monitors performance and makes changes, and forgets everything when the
    battery is disconnected, but I've never noticed performance get worse or better.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Carlos E.R.@21:1/5 to Ralph Mowery on Thu Apr 17 00:40:25 2025
    On 2025-04-15 21:17, Ralph Mowery wrote:
    In article <loj1dlxcgk.ln2@Telcontar.valinor>, robin_listas@es.invalid says...


    I bought one of the lithium emergency power jump starter battery.
    Those things amaze me. Got one off Tumu for about $ 25 and unhooked the >>> battery on my Toyota 4 cylinder truck. It started the truck 3 times and >>> I quit at that . It may have started it even more. For my truck and
    car I did buy a better one off Amazon for around $ 50 or maybe more.
    Have not had to use them yet. The better ones will not send out any
    power if the car battery voltage is below about 10 volts or you try to
    hook it up reversed. There is an over ride button that will send out
    power to a totally dead battery or probably evenif hoked in reverse.
    The cheap ones do not have this feature.
    They even have phone charging sockes.

    Those features are nice, but why would a normal person buy it?

    I made myself a pair of jump start cables from cables that were surplus
    from a telephone exchange. Very good cables, thick. That would be 1999.
    I carry them in my car, but I don't remember having ever used them.
    Maybe once?

    A nice kit like you describe would probably have the battery die of old
    age in that time. For a garage or parking lot to have, yes, but a normal
    person?

    I have jumper cables in my car also. That does not help if you are
    somewhere there are no others around to jump you off. I may neve use
    it,but like insurance it is conforting to know I have it if needed. Abou
    t 2 years ago I did not have one and the battery died in my car. Had to
    call my son to come and jump me off. Just good that he was not working
    that day. I think that I have only had to use them 3 times in about 60
    years of driving.

    I'd just call the automobile club.

    --
    Cheers, Carlos.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Carlos E.R.@21:1/5 to micky on Thu Apr 17 00:44:06 2025
    On 2025-04-17 00:34, micky wrote:

    ...

    Those features are nice, but why would a normal person buy it?
    In case no one else is around.

    I'd just phone the automobile club.

    --
    Cheers, Carlos.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)