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It appears mine is taking a lot longer than 6 hours

Edit: That's because I was using the iPhone charger. Duh.
 
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A modern lithium polymer battery found in our iPads can EASILY handle a 1C charge rate with very little heat production. 1C equals the rate required to charge a lipo battery to full capacity within 1 hour. Our latest MBPs can almost go zero to fully charged in less than an hour with the laptop off (Again Apple choose to go with a smaller/lighter adapter at the expense of max charger output so to get the fastest charge rate, the laptop needs to be off or in sleep mode) 11,560mah 3.7V battery could easily handle 11.56 amps at 3.7 volts to fully charge in 1 hour. The problem is that would require almost 9 amps at 5 volts that USB runs at. I don't who much you know about wire/connector current carrying capacity, but those tiny little pins in the dock connector can not safely handle that amount of current without overheating. I suspect Apple kept the small dock connector for speed to market and also for compatibility. Ways you can get around are use a much thicker connector, or increase the voltage. If Apple made a mini-magsafe adapter for the iPad 4 that ran at 20 volts for example, it would cut the current down to little over 2 amps. You can get by with a smaller connector again.

A higher voltage wont charge the battery faster because charge is a function of current and time. Higher voltages would only be useful for overcoming voltage drop over the conductor. I suspect your theory on the tiny pins is likely the best one. The iPad needs a better way to connect itself to charges and USB connectors. I HATE those 30pin connectors. They are such a pain to deal with.

Matt
 
Definitely burning a hole in my wallet!!!! A whopping $6.55 per year lol. (well, at least for the ipad only. Can't comment on the cumulative cost of all the apple products owned).

http://www.electricity-usage.com/Electricity-Usage-Calculator.aspx?Device=3rd+gen+iPad&Watts=10&CostPerKWH=.30&HoursPerDay=6

Yeah, although a few Apple products like the first Apple TV were energy porkers, Apple products now are extremely energy efficient compared to competing devices.

It's jigga, not giga watts, listen to the pronunciation in the movie ;)

I thought it was Chigga?

BTW, who the heck is using their iPad continuously all day and then only having 6 hours to recharge? At the battery life offered, a normal user should be able to go a few days, if not a full week before recharging.

That and if you really are that extreme, get an external battery pack, use it to supplement the battery during the day, and then recharge both at the same time during the night.
 
A higher voltage wont charge the battery faster because charge is a function of current and time. Higher voltages would only be useful for overcoming voltage drop over the conductor. I suspect your theory on the tiny pins is likely the best one. The iPad needs a better way to connect itself to charges and USB connectors. I HATE those 30pin connectors. They are such a pain to deal with.

Matt

I didn't say the higher voltage will charge the battery faster. The higher voltage allows you to use smaller gauge wires and to continue using a small charging connector as to get the same charge rate with a higher input voltage allows you to use less current going through the charging system (of course there will be a voltage regulator in the charging circuit to step down the voltage) than if you just kept it at 5 volts. What apple could've done is what they've done in the last already. Go back to 12 volts. The 3rd gen iPod used the current dock connector hooked up to a 12 volt FireWire powered charging adapter. At 12 volts and keeping it at 2 amps, the iPad 3 could've charge almost 2 and a half times faster than the current charger without having to make a new connector. They also could've kept the iPad compatible with current accessories.
 
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Great idea! Maybe he can fix us so we only have to eat once a week. Three times a day, what an inconvenience. Every time I go away I have to bring money to buy food, find acceptable restaurants three times a day. I don't blame God. The fault lies with our modern rushed schedules.

Very childish reply to a serious debate.

No the fault lies with the fact that Apple refuses to spend any of its cash pile to try and solve these issues, instead they simply pick off the shelf components at the lowest price to maximise their unit profit margin. They don't contribute anything to advancement of modern science/computing.
 
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No the fault lies with the fact that Apple refuses to spend any of its cash pile to try and solve these issues, instead they simply pick off the shelf components at the lowest price to maximise their unit profit margin. They don't contribute anything to advancement of modern science/computing.

1) Apple isn't in the business of advancing science, that's what scientists do
2) They've made millions of the most insane consumer displays available, and have kept the battery life the same as the previous model

Your criticism amounts to 'let me pick an unreasonable standard for something Apple didn't do so I can pretend their products are basically cardboard junk'
 
1) Apple isn't in the business of advancing science, that's what scientists do
2) They've made millions of the most insane consumer displays available, and have kept the battery life the same as the previous model

Your criticism amounts to 'let me pick an unreasonable standard for something Apple didn't do so I can pretend their products are basically cardboard junk'

Oh you mean the displays they purchased from SAMSUNG. Yes they're great aren't they.
 
...they simply pick off the shelf components at the lowest price to maximise their unit profit margin.

You just described every profitable business in the history of history.

They don't contribute anything to advancement of modern science/computing.

Apple continually pushes their suppliers to make chips smaller anymore efficient. They push battery technology. They push display resolution and quality.

To say they don't contribute is ignoring some pretty important facts.
 
Oh you mean the displays they purchased from SAMSUNG. Yes they're great aren't they.

What's your point? Apple contracted this work from Samsung to Apple's specs (which include QC). This doesn't translate into "simply pick[ing] off the shelf components at the lowest price to maximise their unit profit margin". Surely your point isn't that Apple has to make every component at Cupertino in-house in order to just receive your assent, because the end product would be the same in either case.

I don't even know what your problem is - Apple's products are highly advanced products which satisfy consumers at a reasonable price. But you are complaining that they didn't make an even better battery. I'm seriously asking why people should care.
 
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It's pretty absurd how long this takes to charge. I plugged my iPad in at around 1:30AM last night, woke up at 8:00 and looked at my iPad. It was just changing from 89% to 90%. Data was off, wifi was on. It's charging on the 10w charger from the box and going through three feet of USB extension (female to male, the ones Apple used to hand out with Mac Pros w/ wired keyboards).

I've been using it on and off the charger since then and I've not been able to get it above 94%.


So really, thus far I have not been able to fully charge the battery once since purchase.

This has around a 42 watt-hour battery. My MacBook Air 11" has a 37 watt-hour battery and can fully charge in pretty darn close to an hour with a 45w magsafe. Why isn't apple implementing a higher wattage power solution here? Surely they could have even put a magsafe on one of the tapered edges and allowed charging via that, or a special dock?


No complaints about actual battery life though, usage has been great. I'm just spoiled with being able to plug in my 4S/11" Air and gain charge so fast that I don't need to worry about the battery anymore.
 
Good advice unless your overnight is less than six hours like mine. I have to make sure I don't go below 20% during the day.

You need more sleep!

So you have less than 6 hours to charge your iPad when you sleep? Obviously, you are in a very small minority of people. Also, I guess your saying than when you're awake, your on your iPad 100% of the time?

Plug it in when you can. Many ways to solve your issue....more sleep would be best for your health though :)

I think the charge time is fine. People using their iPad more than 7-10 hours a day, may have bigger issues than charge times.
 
What's your point? Apple contracted this work from Samsung to Apple's specs (which include QC).

No they didn't. The displays are designed and manufactured by Samsung. Apple had nothing to do with their design, specs, etc. They simply purchased Samsung screens. Anybody else can buy the same screens and put them on their tablets if they want to.
 
No they didn't. The displays are designed and manufactured by Samsung. Apple had nothing to do with their design, specs, etc. They simply purchased Samsung screens. Anybody else can buy the same screens and put them on their tablets if they want to.

1) If you think Samsung just has millions of tablet screens laying around, and they make random configurations without an eye to what their buyers want, I have no idea what to tell you. The point is that you mischaracterize this state of affairs as Apple going down to Radio Shack and buying some cheap equipment, you know, whatever is around, to put in their devices, and that this is a bad thing, because Apple has an obligation to spend their money how Shaun, UK sees fit. It's not like Apple looked at the Samsung screens and said "well, this isn't what we really wanted, but it's cheap and it's what's out there, so let's run with it anyway." But that's what you're saying.
2) I still have no idea how the above has any bearing on anything in this thread, since what prompted this whole exchange is your complaint that Apple didn't make better batteries than they did, and that they don't make the kind of technological advances they are (somehow) obliged to. I'm still waiting for your point.
 
I didn't say the higher voltage will charge the battery faster. The higher voltage allows you to use smaller gauge wires and to continue using a small charging connector as to get the same charge rate with a higher input voltage allows you to use less current going through the charging system (of course there will be a voltage regulator in the charging circuit to step down the voltage) than if you just kept it at 5 volts. What apple could've done is what they've done in the last already. Go back to 12 volts. The 3rd gen iPod used the current dock connector hooked up to a 12 volt FireWire powered charging adapter. At 12 volts and keeping it at 2 amps, the iPad 3 could've charge almost 2 and a half times faster than the current charger without having to make a new connector. They also could've kept the iPad compatible with current accessories.

That's a good idea, although it would take some extra circuitry to be able to switch between 5 and 12 volts. Heck, go to 24 like the laptops while you're at it.
 
That's a good idea, although it would take some extra circuitry to be able to switch between 5 and 12 volts. Heck, go to 24 like the laptops while you're at it.

The sad thing is that the iPod 4th/5th/classic generations all could charge at 5 AND 12 volts. Subsequent iOS devices don't have the capability. That's why when you plug in a newer iOS device into an old charging adapter from those years, you get the "This accessory isn't supported... and no charging..." message pops up.
 
This hasn't been tested, it's an observation that I'm seeing however. My charging times seem to really vary depending on the cable and usb plug I'm using. I swear (but I might be crazy) that the iPad 3 charges fastest with the wall wart that and cable that came with it than when I use the iPhone style (smaller) usb wall adapter and another cable.

Does this make any sense at all, and is anyone else seeing this? I do know they charge slower on usb connected to a computer, but I'm talking straight from the wall and seeing variances in charge rates.
 
1) If you think Samsung just has millions of tablet screens laying around, and they make random configurations without an eye to what their buyers want, I have no idea what to tell you. The point is that you mischaracterize this state of affairs as Apple going down to Radio Shack and buying some cheap equipment, you know, whatever is around, to put in their devices, and that this is a bad thing, because Apple has an obligation to spend their money how Shaun, UK sees fit. It's not like Apple looked at the Samsung screens and said "well, this isn't what we really wanted, but it's cheap and it's what's out there, so let's run with it anyway." But that's what you're saying.
2) I still have no idea how the above has any bearing on anything in this thread, since what prompted this whole exchange is your complaint that Apple didn't make better batteries than they did, and that they don't make the kind of technological advances they are (somehow) obliged to. I'm still waiting for your point.
1. I never suggested Apple sourced cheap components as you suggest. I was stating a fact - that Apple source almost all of the components in their products from third parties rather than developing them in-house. Samsung didn't build the displays just for Apple - the same displays will almost certainly be on their own Galaxy Tablets sometime this year. Apple has obviously issued a tender for which companies respond with whatever products they have available.

2. My point was that Apple doesn't make its own components which makes it vulnerable. For example what would have happened if Samsung had turned round and said you know what we are not going to sell you our retina displays we are going to keep them for ourselves (which I might add is precisely what Samsung and LG have just recently said to Apple when Apple tried to source displays for the forthcoming Apple TV). What would have happened???? Sharp could not supply from what we've heard and neither could LG. Both of which failed to meet Apple's QC standards. So what would have happened??? I'll tell you what - either we would have had no iPad 3 or it would have been delayed until Sharp and LG got their act together. That's what.

My point is that Apple should be developing its own components not buying them from other companies. It's called vertical integration. They could do this by buying component makers and spending lots of money to develop the latest components and advancing the technology quicker than its going now. If Apple spent say $20Bn on battery R&D do you not think we might have better, lighter batteries that last 50 times longer??
 
Is it possible for apple to help boost/increase charging time speed on these 3rd gen iPads? by some sort of update or something??

Overall my iPad is amazing! Its just the charging time is my only con.
 
charges for another hour even at 100%

Read that iPad still charges for another even though it says 100%, so that would mean 7 hours to have it completely recharge from 0% to actual 100%
 
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