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Silicon Carbon Battery vs Lithium Ion: Super phone batteries are here
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May 11, 2025
Silicon Carbon batteries in are a new technology offering better battery life for modern phones. I explain how they work, the new phones using them, and those being expected. Important: I make informative tech videos for non-techie people, so this video does not offer highly technical details. I present basic level explanations and simple analogies that regular people can understand. #siliconcarbon #siliconcarbonbatteryphone #siliconcarbonbattery
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if there is one thing that we all will
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appreciate in our smartphones today it
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is better battery life because modern
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smartphones simply gole Power by the
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bucket full the bigger screens the more
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powerful processors all those Advanced
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apps many of them working in the
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background this all translate to shorter
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and shorter battery life silicon carbon
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batteries are here to help with better
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battery life how good are they how does
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this new technology work come with
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[Music]
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me hello this is Mr Mobility silicon
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carbon batteries are a new type of
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battery developed from traditional
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lithium ion batteries that have been
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used in phones for years if you check
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the specifications of your smartphone
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chances are that it uses a lithium ion
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battery and lithium ion batteries have
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been around for a long time to improve
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battery life there are certain
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approaches that engineers and
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manufacturers adopt one you can always
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put a bigger battery in there right the
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bigger your foil tank the longer your
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car can go you can also fine-tune your
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chipset your processors so that they are
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more energy conserving they don't guzzle
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a lot of power while in use you can also
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reduce the size of the screen yes in
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case you did not know the screen of your
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phone is the biggest power gozler on
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that
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phone it's absolutely once your screen
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lights
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up your phone is guzzling your battery
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down you can reduce the size or the
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resolution or the advanced capabilities
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that exist in the screen of a phone
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interestingly most manufacturers have
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decided that they are not reducing the
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sizes of those screens so the screens
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keep getting bigger and the resolution
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keeps getting higher I don't think that
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there's any
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long-term solution coming from the
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direction of screen size and
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resolution you're not going to get
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better battery life from that in the
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future we have to get it from somewhere
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else and that somewhere else most likely
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will come from processor and software
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optimization as well as improved Battery
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Technology silicon carbon batteries are
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one of the earliest stages of improved
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Battery Technology that we are
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seeing what's the big Advantage about
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silicon carbon batteries it is that this
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new technology allows Engineers to put
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in bigger battery capacity without
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making the phone bigger or
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thicker bigger battery capacity not
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necessarily bigger battery in terms of
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physical size for example when we're
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talking about capacity 20 years ago if
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you wanted a 256 GB memory card it was
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big really big and then technology kept
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on improving such that you could have
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that 256 GB of storage in small smaller
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sizes in much smaller sizes that is
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capacity the capacity has stayed the
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same 256 gig but the physical size of
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the device carrying that capacity has
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reduced think of how battery size in
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terms of physical size but instead of
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having 5,000 Milah in that battery of
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this size you are now able to put 6,000
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in a battery of the same size so the
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size is able to stay the same while you
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can increase the capacity also you can
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keep the capacity the same right you can
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have a 5,000 mAh battery in a smaller
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size that's the kind of advantage that
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silicon carbon batteries is bringing to
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the industry we're having flip phones
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which by Nature are very thin silicon
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carbon batteries will allow you put in
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more battery in flip phones foldable
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phones also you are going to be able to
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put in bigger battery capacity in phones
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of the same size I'll give you an
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example there are certain new phones in
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the market already fitted with silicon
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carbon batteries those phones are the
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sizes that were used to seeing and to
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using but they now have a much bigger
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battery on the inside so these are
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phones that traditionally
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from their size they would have a 5,000
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mAh battery but with silicon carbon
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batteries you're able to put 6,000 in
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there you're able to put 60002 in some
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cases you're able to put 50004 in some
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cases 50006 in some cases 50008
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59 over time I expect that in the same
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size of phone we'll probably be able to
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put a 7,000 mAh battery using silicon
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carbon
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technology I'm going to repeat the the
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big advantage that silicon carbon
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batteries bring to the table is that
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they allow Engineers give you bigger
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battery capacity for the same size or
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the same battery capacity for a smaller
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size this year we have been hearing
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talks of Samsung and Apple releasing
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ultra slim devices with 5 something mm
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thickness or 6 mm thickness silicon
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carbon batteries will help put a robust
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battery capacity in that kind of a phone
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because one of the consequences of
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having a slim phone over the years has
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been that you're going to get a very
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small battery check the history of
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mobile technology every time a slim
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phone is is released you get a much
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smaller battery capacity and terrible
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battery life now silicon carbon
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batteries will ensure that when a slim
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phone is reduced you can still get
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something like 4,5 to 5,000 Milah
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capacity in such a phone that's the kind
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of advantage that you get from this new
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technology now how does it work silicon
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carbon batteries use a combination of
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silicon and carbon in place of
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graphite that is used in lithium ion
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batteries I'm not going to go into too
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many technical details because I know
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many of us are not technical I just give
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you enough you know to have an idea of
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how it works so this is not a deep dive
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this is me talking to the average phone
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user lithium ion batteries have a
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component on the inside that is made out
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of graphite what silicon carbon
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batteries do is that it takes a
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combination of silicon and carbon to
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replace that item that is graphite in
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lithium ion batteries why is this
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replacement
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necessary the Silicon carbon combination
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is what allows you to packing more power
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into the same size into the same uh
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space as what graphite normally does so
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that's where the magic happens that's
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where all the technical well most of the
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technical things happen there are other
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technical details involved but like I
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said I'm addressing regular phone users
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and I'm not going to dive into too many
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technical things so you can understand
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the important thing is this that the
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combination of silicon and carbon used
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in Silicon carbon batteries is what
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makes the bigger battery capacity
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possible as a matter of fact in electric
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vehicles silicon carbon batteries are
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getting popular Tesla is using using
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them other electric vehicle
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manufacturers are using them why range
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has always been a problem with electric
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vehicles because you need more
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electrical power for the car to go
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further to go for hours without running
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out of power and silicon carbon
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technology has made it possible to put
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bigger batteries in electric cars this
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component called graphite in a lithium
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ion battery has been replaced with a
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combination of silicon and carbon and
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that's where this type of batteries
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derive their name silicon carbon
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batteries the pros of silicon carbon
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batteries bigger battery capacity
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without necessarily increasing the size
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of the battery of the
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phone because of that factor you can
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also have Slimmer phones with good
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battery
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capacity also you can have foldable
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phones with better battery life anyone
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who has used a foldable flip phone I own
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one and one of the disadvantages is that
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the battery capacity is rather small
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mine has a 4,000 mAh battery standard
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phones around me have 5,000 my batter is
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always running out fast than my my
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wife's phone battery it's always running
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out faster than my colleagues phone
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batteries because it's a smaller battery
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6.9 in display with a 4,000 Milah
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battery silicon carbon batteries will
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allow manufacturers of flip phones to
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put in more standard batteries without
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increasing the thickness so those are
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the pros of silicon carbon
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batteries but as with all technology
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there is always a con as there vantages
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there are disadvantages what are the
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disadvantages of silicon carbon
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batteries they tend to heat up faster
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yes they tend to heat up faster and when
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they do they tend to expand more than
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lithium ion batteries do which increases
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the chances of damage to that battery so
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there's a question of
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longevity will silicon carbon batteries
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last as long as lithium ion batteries do
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not likely from what we know right now
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from what scientists know right now not
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not likely they are working on it they
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using a combination of factors and
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implementations to try to stabilize
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silicon carbon batteries as much as
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possible such that the wear and tear on
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it is reduced and hopefully sometime in
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the future it can match up to the kind
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of longevity that we get from lithium
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ion batteries also there is a huge
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chance that manufacturers are going to
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have to implement slower charging when I
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say slower charging I don't mean really
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slow charging but I mean not the fastest
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fast charging that we see around and why
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is this because of the heat factor that
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I mentioned if a phone or a battery
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heats up considerably while charging the
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trick is to not charge it faster reduce
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the charging speed right by reducing the
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charging speed you reduce the chances of
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it overheating to the point where it
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degrades with silicon carbon batteries
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you might find a situation where your
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manufacturer does not put in 90 wats
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fast charge does not put in 65 does not
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put in 80 maybe
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45 for now this is hypothetical right
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but the idea is that if the heating
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factor is a problem then you you might
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not see silicon carbon phones with the
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fastest fast charging in the market of
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course the first generation of silicon
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carbon phones still have some of the
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fastest charging standards the jury is
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out we're going to see how they perform
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how well they do and then uh engineers
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and manufacturers will take feedback
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from how well they do and decide whether
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to throttle the charging a little bit
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just reduce it a little bit or let's
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keep going full speed ahead
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of course it's new technology there are
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always issues right that's how we
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improve as a society we build something
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new it has challenges we fine tune it
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till it works well for us every
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technology we're comfortable with using
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today started out that way they started
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out with issues and we ironed it
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out are there any phones using silicon
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carbon batteries out in the market
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already oh yes
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there are the OnePlus 13 is one it has a
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6,000 mAh battery the xiaomi 15 has a
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5,400 mAh battery the xiaomi 15 Ultra
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has a 6,000 mAh battery there's a Oppo
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Find X and a number of others but have
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you
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noticed that all the manufacturers all
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the phone brands I have listed are from
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across the ocean they are all from China
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the more us Centric phone manufacturers
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like apple Sam Samsung Google pixel are
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not playing around with silicon carbon
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yet yes they tend to be the conservative
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ones they are conservative with battery
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capacity they are conservative with fast
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charging and all that they are
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conservative with a lot of things a lot
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of the cotton Edge Innovative stuff
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tends to happen with Chinese phone
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manufacturers so it may take you it may
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take a while for you to find silicon
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carbon in an Apple phone in an iPhone it
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may take a while to say silicon carbon
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battery in a Samsung phone or in a
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Google pixel phone now the interesting
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thing is that both Apple and Samsung are
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pushing for ultra thin smartphones this
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year the iPhone 17 slim or iPhone 17 a
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depending on what it's going to be
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officially called when it's released has
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been rumored as a super slim iPhone that
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is going to hit the market this year
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will Apple put in a silicon carbon
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battery to ensure that it has a robust
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battery capacity and good battery life
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we'll find out on the side of Samsung
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the Samsung Galaxy s25 Edge is expected
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to also be announced as an ultra slim
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smartphone will Samsung use a silicon
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carbon battery in that
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device time will tell we find out but
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eventually as with all Innovation every
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manufacturer will come on board it
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doesn't matter how long they delay
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they'll come on board eventually this is
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just one of the possible solutions to
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providing better battery life in modern
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smartphones newer Technologies are
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constantly being played with and
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experimented with and will come up over
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time the important thing is that you and
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I should never have to worry about
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running out of battery in a few hours
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because a phone manufacturer wants to
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create something fun
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we need to get past that stage and it
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looks like we will silicon carbon
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batteries are actually a development of
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lithium ion batteries and they offer
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more robust battery capacity compared to
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lithium ion batteries of course most
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phones are still going to keep using
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lithium ion batteries for a while for
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now you will find silicon carbon
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batteries only in premium Flagship
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devices because they're costly the
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manufacturer process is costly the
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materials used are costly eventually as
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with all new technology this will
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trickle down to the mid range and then
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triggle down to entry level maybe in 6
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years maybe in 10 years that's how it
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works don't forget to like this video
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