chances are that you don't give more than a few seconds of thought each day
to charging your phone hopefully you remember to do it before you go to bed
and that's about it right what if you just kind of passed out after a night of
heavy drink uh cs go and woke up the next day realizing you forgot to plug it
in your battery bank is in a nightclub couch cushion somewhere and you have to
leave the house in half an hour enter fast charging a feature supported
by some modern phones and tablets then you power it up in the time that it
takes to have a rinse only shower grab a cereal bar and get your shoes on you see
the reason many devices take such a long time to charge normally is the limited
amount of power many common wall chargers can push to your phone or
tablet at once typically 5 watts or less
this is a design choice that keeps manufacturing costs for basic wall warts
low and also ensures that the relatively small batteries inside of mobile gadgets
won't fry from being overloaded with too much power but in reality many mobile
devices can handle more than this thanks to internal circuitry that sets a
maximum amount of wattage that will hit your battery at one time fast chargers
take advantage of that by adjusting the voltage amperage or both to deliver up
to 20 watts or even higher if your
device supports the technology whoa whoa whoa hold on a second luke
supported technology what needs to be supported we're just clobbering a
battery with electrons well there are a lot of factors but one
of the most basic ones is that with higher power comes higher heat so a
device without enough internal room for the battery to expand might end up
damaged if it gets charged too quickly so for that reason many companies that
developed fast charging technology have implemented a handshaking process
between the charger and phone or tablet
to make sure they're both certified to support the extra power samsung's fast
charge and oneplus dash charge are both popular protocols but perhaps the most
widespread one is qualcomm quick charge which is found on a large number of
Android devices so this means that just because the charger says it supports 2.5
amps at 5 volts doesn't necessarily mean that it'll charge your phone super fast
and there are other caveats as well although many devices that support fast
charging do come with compatible chargers you'll pay a premium for extra
ones and you might need to buy slightly nicer cables too as cheap thin 28 gauge
cords often can't handle the extra current very well also remember that as
we mentioned fast charging can generate more heat which is harder on your
battery and may shorten its longevity a real concern now that so many phones are
very difficult to open if you want to put in a new one plus fast charging is
much more useful when your battery is significantly drained and you need a
really quick partial charge to keep you afloat for a little while speeds tend to
taper off significantly as your phone gets closer to 100
so unlike filling up at a fast pump gas station for the big rigs don't expect to
go from empty to full with blazing speeds though at least you won't have to
pay 50 bucks every time you need a recharge or more
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Linus all right guys like the video if you liked it just like dislike it get subscribed hit the little bell and get
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