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Smart Phones - Questions and Discussion

Discussions computers, internet and mobile technology (cell phones, smart phones, iPads).

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Winston
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Re: Questions about Smart Phones

Post by Winston » November 16th, 2014, 1:46 pm

Everything about that phone was great except for one thing: The battery life sucks. It depletes too fast, almost as fast as it charges. Barely even lasts half a day if I use it a lot.

I'm going to get another phone, and a portable power bank as well. Check this out. You can get these portable power banks now so you can charge your phone multiple times while you travel.

http://www.amazon.com/s/ref=nb_sb_noss_ ... le+charger
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starchild5
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Re: Questions about Smart Phones

Post by starchild5 » November 16th, 2014, 6:56 pm

Just wait few more months..

NTU develops ultra-fast charging batteries that last 20 years

http://media.ntu.edu.sg/NewsReleases/Pa ... ae4c50c934

Scientists at Nanyang Technology University (NTU) have developed ultra-fast charging batteries that can be recharged up to 70 per cent in only two minutes.

The new generation batteries also have a long lifespan of over 20 years, more than 10 times compared to existing lithium-ion batteries.

This breakthrough has a wide-ranging impact on all industries, especially for electric vehicles, where consumers are put off by the long recharge times and its limited battery life.

With this new technology by NTU, drivers of electric vehicles could save tens of thousands on battery replacement costs and can recharge their cars in just a matter of minutes.

Commonly used in mobile phones, tablets, and in electric vehicles, rechargeable lithium-ion batteries usually last about 500 recharge cycles. This is equivalent to two to three years of typical use, with each cycle taking about two hours for the battery to be fully charged.

In the new NTU-developed battery, the traditional graphite used for the anode (negative pole) in lithium-ion batteries is replaced with a new gel material made from titanium dioxide.

Titanium dioxide is an abundant, cheap and safe material found in soil. It is commonly used as a food additive or in sunscreen lotions to absorb harmful ultraviolet rays.

Naturally found in spherical shape, the NTU team has found a way to transform the titanium dioxide into tiny nanotubes, which is a thousand times thinner than the diameter of a human hair. This speeds up the chemical reactions taking place in the new battery, allowing for superfast charging.

Invented by Associate Professor Chen Xiaodong from NTU’s School of Materials Science and Engineering, the science behind the formation of the new titanium dioxide gel was published in the latest issue of Advanced Materials, a leading international scientific journal in materials science.

Prof Chen and his team will be applying for a Proof-of-Concept grant to build a large-scale battery prototype. With the help of NTUitive, a wholly-owned subsidiary of NTU set up to support NTU start-ups, the patented technology has already attracted interest from the industry.

The technology is currently being licensed by a company for eventual production. Prof Chen expects that the new generation of fast-charging batteries will hit the market in the next two years. It also has the potential to be a key solution in overcoming longstanding power issues related to electro-mobility.

“Electric cars will be able to increase their range dramatically, with just five minutes of charging, which is on par with the time needed to pump petrol for current cars,” added Prof Chen.

“Equally important, we can now drastically cut down the toxic waste generated by disposed batteries, since our batteries last ten times longer than the current generation of lithium-ion batteries.”

The 10,000-cycle life of the new battery also mean that drivers of electric vehicles would save on the cost of battery replacements, which could cost over US$5,000 each.

Easy to manufacture

According to Frost & Sullivan, a leading growth-consulting firm, the global market of rechargeable lithium-ion batteries is projected to be worth US$23.4 billion in 2016.

Lithium-ion batteries usually use additives to bind the electrodes to the anode, which affects the speed in which electrons and ions can transfer in and out of the batteries.

However, Prof Chen’s new cross-linked titanium dioxide nanotube-based electrodes eliminates the need for these additives and can pack more energy into the same amount of space.

Manufacturing this new nanotube gel is very easy. Titanium dioxide and sodium hydroxide are mixed together and stirred under a certain temperature so battery manufacturers will find it easy to integrate the new gel into their current production processes.


Recognised as the next big thing by co-inventor of today’s lithium-ion batteries

NTU professor Rachid Yazami, the co-inventor of the lithium-graphite anode 30 years ago that is used in today’s lithium-ion batteries, said Prof Chen’s invention is the next big leap in battery technology.

“While the cost of lithium-ion batteries has been significantly reduced and its performance improved since Sony commercialised it in 1991, the market is fast expanding towards new applications in electric mobility and energy storage,” said Prof Yazami, who is not involved in Prof Chen’s research project.

Last year, Prof Yazami was awarded the prestigious Draper Prize by The National Academy of Engineering for his ground-breaking work in developing the lithium-ion battery with three other scientists.

“However, there is still room for improvement and one such key area is the power density – how much power can be stored in a certain amount of space – which directly relates to the fast charge ability. Ideally, the charge time for batteries in electric vehicles should be less than 15 minutes, which Prof Chen’s nanostructured anode has proven to do so.”

Prof Yazami is now developing new types of batteries for electric vehicle applications at the Energy Research Institute at NTU (ERI@N).

This battery research project took the team of four scientists three years to complete. It is funded by the National Research Foundation (NRF), Prime Minister's Office, Singapore, under its Campus for Research Excellence and Technological Enterprise (CREATE) Programme of Nanomaterials for Energy and Water Management.

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Re: Questions about Smart Phones

Post by Winston » November 22nd, 2014, 1:03 pm

Could Smart Phones be preparing us as a step toward Transhumanism? See my theory here:

viewtopic.php?f=28&t=9772&p=208620#p208620
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In2dadark
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Re: Questions about Smart Phones

Post by In2dadark » November 22nd, 2014, 5:48 pm

Smart phones, cell phones etc. change my thoughts & therefore my future actions. I avoid them at all costs. Challenge when traveling abroad. Challenge accepted.

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Re: Questions about Smart Phones

Post by Winston » December 10th, 2014, 10:52 pm

Lol

Image
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Re: Questions about Smart Phones

Post by Winston » January 12th, 2015, 11:06 pm

Hey I found the perfect phone for Dianne. It's only 10,000p too, which is about $220 usd. It's the Acer liquid e700. You should check it out. It has a 3500 mega amp battery that can last 60 days on standby or play videos for 12 hours straight or talk for 24 hours straight or listen to music for 100 hours straight. That's a huge battery! The camera is also high quality and the front camera has an led flash for selfies. The sound quality is stereo quality too and the display is 294 ppi. And it holds THREE sim cards!

No phone can beat that! Especially for 10,000p only! You gotta check it out. All the online reviews say it's the perfect phone with many great pros and no cons. All the specs on it are high quality and top notch too!

http://gsmarena.com/acer_liquid_e700-6420.php
http://gadgets.ndtv.com/acer-liquid-e700-1642
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droid
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Re: Questions about Smart Phones

Post by droid » January 12th, 2015, 11:19 pm

it's 3500 milliamp hour (mAh)
lol

Quad-core cortex-A7 + Mali is pretty good
1)Too much of one thing defeats the purpose.
2)Everybody is full of it. What's your hypocrisy?

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Winston
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Re: Questions about Smart Phones

Post by Winston » January 14th, 2015, 7:06 pm

droid wrote:it's 3500 milliamp hour (mAh)
lol

Quad-core cortex-A7 + Mali is pretty good
"Pretty good" is not what I'm talking about here. There's no way any other phone can rank so high in every category yet only cost $225. If the one you mentioned can compare, then post the specs and average price from gsmarena.com and compare.

The specs of the $225 Acer Liquid E700 phone are:

http://gsmarena.com/acer_liquid_e700-6420.php
http://gadgets.ndtv.com/acer-liquid-e700-1642

Impressive promo video about this phone from Acer that highlights its features.



A 10 point review of it by a third party, which is all positive and very impressive.



In fact, all the reviews on YouTube of this phone are very positive and cannot find any flaws. It's like a perfect smart phone. Have a look for yourself.

https://www.youtube.com/results?search_ ... iquid+e700
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Re: Questions about Smart Phones

Post by Winston » July 8th, 2015, 8:34 pm

Hi all,
Check out the second generation ASUS Zenfone called the Zenfone 2. It's the best package for the money and ranges from $199 to $299. All its features are superb. The battery is now a lot bigger at 3000 milliamps and the camera is very sharp and high quality at 13 mp. It has a 1080 display with a nice 5 inch screen. It's the first phone to have 4GB RAM which is more than any other phone, so you can play many games on it at the same time with no lag and experience a smooth interface. Wow. It is dual SIM too, so great for international travelers. What a deal. Since my Sony Xperia just broke from exposure to steam from the shower, I'm probably going to get this one since it seems like the best deal.

Here are the specifications of the ASUS Zenfone 2:

www.gsmarena.com/asus_zenfone_2_ze551ml-6917.php

Promo video of Zenfone 2 from ASUS:



Here is a professional review of it from an unbiased source:

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Re: Questions about Smart Phones

Post by momopi » July 9th, 2015, 8:54 pm

If you want a crap load of storage on your phone:


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Re: Questions about Smart Phones

Post by Winston » November 27th, 2015, 5:52 am

In2dadark wrote:Smart phones, cell phones etc. change my thoughts & therefore my future actions. I avoid them at all costs. Challenge when traveling abroad. Challenge accepted.
How do smart phones change your thoughts exactly? Can you elaborate? I've met people who never carry them and refuse to use them. What is their logic behind that?
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Re: Questions about Smart Phones

Post by Winston » November 27th, 2015, 6:07 am

I have a question. I bought a 10,000 mAh power bank to charge my 2100 mAh phone. But the thing is, after charging the power bank to full, I can only charge my phone 3 times before the power bank runs out. This means that in actuality, the power bank is only 6300 mAh. Is that normal? If so, why is such deception and mislabeling allowed to be legal? Why the deception from the manufacturer about the real amount of power storage? Or is my power bank defective? Do any of you have similar experiences with power banks? They don't seem to store as much power as they claim.

Momopi or anyone else, any idea?
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Re: Questions about Smart Phones

Post by momopi » December 30th, 2015, 6:58 pm

Winston wrote:I have a question. I bought a 10,000 mAh power bank to charge my 2100 mAh phone. But the thing is, after charging the power bank to full, I can only charge my phone 3 times before the power bank runs out. This means that in actuality, the power bank is only 6300 mAh. Is that normal? If so, why is such deception and mislabeling allowed to be legal? Why the deception from the manufacturer about the real amount of power storage? Or is my power bank defective? Do any of you have similar experiences with power banks? They don't seem to store as much power as they claim.
Momopi or anyone else, any idea?
A 10,000 mAh power bank will only provide 10,000 mAh recharge under ideal lab conditions. Power is "lost" on both the power bank and cell phone side due to external and internal factors such as temperature, voltage booster, charge regulator, age/condition of battery, etc.

Power bank makers cannot realistically advertise exactly how much your individual cell phone will recharge. Actually, even AC chargers are inefficient and waste energy:
http://www.huffingtonpost.com/2012/01/1 ... 04969.html

The situation will improve with future generation hardware.

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Re: Questions about Smart Phones

Post by Winston » January 20th, 2016, 9:31 pm

If any of you are interested in a new android phone, check out the new Acer Liquid Z630. It has a whopping 4000 mah battery size, the biggest ever, and a 5.5 inch screen as well as dual sim. I played with a demo model in the store and the sound quality is good and enhanced too. It costs less than 200 dollars in the Philippines, but may cost more elsewhere. I'm considering getting it but I don't want the trouble of having to transfer everything over, which takes hours. Here is more info on the new phone and its full specs.

http://www.gsmarena.com/acer_liquid_z630-7528.php
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Re: Smart Phones - Questions and Discussion

Post by Winston » September 13th, 2016, 7:45 pm

Hey guys,
I found a very good travel phone, because it has a 5000 mAh battery which will last you 3 days without having to recharge. So for the traveler who may not have time to charge his phone because he's on the move a lot or doesn't always have access to power outlets, this would be a good option. It's not that expensive either. It's the Asus Zenfone Max, part of the Zenfone 2 line, and made in Taiwan. It is dual SIM and only costs a little over $200. And it has a big 5.5 inch screen too, which is great for viewing, but may not fit well into a guy's pants pocket, unless he wears big baggy pants of course. lol. Check out the specs below.

http://www.gsmarena.com/asus_zenfone_ma ... l-7476.php
http://www.gsmarena.com/asus_zenfone_ma ... )-8111.php

[youtube]https://www.youtube.com/watch?v=KiJg64iNeYA[/youtube]
Check out my FUN video clips in Russia and Female Encounters of the Foreign Kind video series and Full Russia Trip Videos!

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