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iPad3 info.
0rch1deam
18-05-2012
Just in case anyone needs to know this, I have been talking to Apple today re a major problem I have. You cannot charge an iPad3 from a car charger, no matter what they tell you on Ebay, Google or Amazon - nothing has the power needed (10w) to successfully do this. I have written suggesting they think about sorting this out, if you use it as a tomtom it drains the battery fast, on a long trip you may well need to add more juice.

Just so you (unlike me) don't waste money on unsuitable gizmos.
rottweiler
18-05-2012
Mine charges in the car using a 5w charger, it takes a lot longer but does charge it
daz_f
20-05-2012
mine doesn't even charge when plugged in a wall socket when in use actually still loses power
pilot25dmc
20-05-2012
Originally Posted by 0rch1deam:
“Just in case anyone needs to know this, I have been talking to Apple today re a major problem I have. You cannot charge an iPad3 from a car charger, no matter what they tell you on Ebay, Google or Amazon - nothing has the power needed (10w) to successfully do this. I have written suggesting they think about sorting this out, if you use it as a tomtom it drains the battery fast, on a long trip you may well need to add more juice.

Just so you (unlike me) don't waste money on unsuitable gizmos.”

Just buy a 50w/100w power inverter, plug one end into the 12v adaptor in your car and then plug the official iPad charger into the 240v socket on the inverter. Problem solved.

You can pick one up for less than £20 in B&Q or Halfords, probably much less on eBay.
iannai
20-05-2012
Originally Posted by daz_f:
“mine doesn't even charge when plugged in a wall socket when in use actually still loses power”

Yep this is true - battery can still drain in use even if plugged in. Not something that's very well known and Apple certainly aren't shouting about it for obvious reasons!

The new iPad also takes a lot longer to get a full charge than previous models. I hope it's something that can be addressed in an update.
Matt D
21-05-2012
Originally Posted by iannai:
“The new iPad also takes a lot longer to get a full charge than previous models. I hope it's something that can be addressed in an update.”

It takes a lot longer to charge because it has a much bigger battery (due to the screen and other upgrades). No software update will change that.
Johnbee
28-05-2012
Just for info, mine takes six hours to get from 10% to 100%. Switched off and in airplane mode.
alanwarwic
28-05-2012
Originally Posted by 0rch1deam:
“...... nothing has the power needed (10w) to successfully do this...”

Ages ago I bought a dual USB card adapter for about £1.50 on ebay.
One slot was high power so surely USB works?
Batwing
29-05-2012
Originally Posted by 0rch1deam:
“Just in case anyone needs to know this, I have been talking to Apple today re a major problem I have. You cannot charge an iPad3 from a car charger, no matter what they tell you on Ebay, Google or Amazon - nothing has the power needed (10w) to successfully do this. I have written suggesting they think about sorting this out, if you use it as a tomtom it drains the battery fast, on a long trip you may well need to add more juice.

Just so you (unlike me) don't waste money on unsuitable gizmos.”

You are using the wrong charger. A standard .5 amp (typical usb power) charger will not work. There are plenty of 2.1 amp cigarette/aux power outlet chargers on the market that you can use and that are cheap.

Please learn about the technical specifications and requirements of a product before criticising it and trying to discourage others from buying it.
iannai
29-05-2012
Originally Posted by Batwing:
“You are using the wrong charger. A standard .5 amp (typical usb power) charger will not work. There are plenty of 2.1 amp cigarette/aux power outlet chargers on the market that you can use and that are cheap.

Please learn about the technical specifications and requirements of a product before criticising it and trying to discourage others from buying it.”

Or maybe the manufacturers can be a bit more open about the fact that their product requires 3rd party add-on components to carry out a task that 90% of other devices can do with standard current chargers without a problem.

I own an iPad 1 and 3 and was shocked when I tried to charge the iPad3 - also the fact that even when it's plugged in the battery LOSES charge when running intensive applications (3D games for example).

None of this information is made easily available by Apple - I only found out about the charging thing from PC Pro magazine.

Another thing people might not know is that the iPad 3 will report 100% battery when in reality it is only charged 90%. The final 10% takes a lot longer to charge - the incorrect reading of 100% is apparently "by design" so users don't get "confused"...
Roush
29-05-2012
Originally Posted by iannai:
“Another thing people might not know is that the iPad 3 will report 100% battery when in reality it is only charged 90%. The final 10% takes a lot longer to charge - the incorrect reading of 100% is apparently "by design" so users don't get "confused"...”

That's not entirely correct. The final charge portion doesn't take longer. Upon nearing the completion of the charge the power management system enters a conditioning state, where the battery is cycled between charging and discharging to maintain optimum performance. During this conditioning cycle the battery charge remains reported at 100%

All iOS devices do this, including your iPad 1. It's a fairly standard practice with current battery technology, and I would expect that devices from other manufacturers that also use lithium-polymer batteries behave in a similar manner.
Batwing
30-05-2012
Originally Posted by iannai:
“Or maybe the manufacturers can be a bit more open about the fact that their product requires 3rd party add-on components to carry out a task that 90% of other devices can do with standard current chargers without a problem.”

The charger that comes with the iPad is a 2 amp charger and obviously charges the iPad. Apple doesn't provide a car charger with the iPad and I know of no competing tablet that provides a car charger with their tablet.

Mobile devices like phones and tablets will charge at varying speeds, or not at all, depending on the capacity of their batteries and the power output of a USB outlet.

Originally Posted by iannai:
“"I own an iPad 1 and 3 and was shocked when I tried to charge the iPad3 - also the fact that even when it's plugged in the battery LOSES charge when running intensive applications (3D games for example)."”

The issue brought up was charging from a car. That can easily be done by using an inexpensive car charger rated at 2 amps. They are easy to find.

It's probably not the answer you are seeking but don't run intensive games while charging with the provided charger. The new IPad's battery has 70% more capacity than the iPad 2 but still uses a 2 amp charger. Some have said why didn't Apple provide a more powerful charger, which is a fair question to ask, but it isn't clear if that was possible considering heat issues introduced with a retina display that has more than twice as many LEDs to light it up as the iPad 2.

Consider this scenario, an iPad 3 running at full brightness, in a case that significantly restricts the iPads ability to stay cool, while playing an intensive game, while charging, while in a hot environment. As you could imagine you could conceivably run into heat issues under such a scenario, which really wouldn't be too uncommon. Overheated batteries are dangerous and maybe that's why Apple didn't provide a more powerful charger.

Every device has it's advantages and disadvantages.

Originally Posted by iannai:
“Another thing people might not know is that the iPad 3 will report 100% battery when in reality it is only charged 90%. The final 10% takes a lot longer to charge - the incorrect reading of 100% is apparently "by design" so users don't get "confused"...”

As far as I know all the iPads and iPhones are like that. What charges beyond the 100% is actually even more battery life beyond the specified battery life for the device. There is a reason why Apple, and many other mobile device manufacturers, do that but bringing up this geekcentric or techie issue only serves to confuse the average user. It isn't a relevant issue.
iannai
02-06-2012
I don't believe in patronising people. All information is relevant. The reason for the longer charge time is due to the much larger battery required to power the retina display (as you said).

It surely must be worth knowing that when the display says 100%, it isn't really 100% - if you leave it charging you can get over an hour extra running time - something worth pointing out I would have thought, and entirely relevant to the "average user", whatever that is.

You are right in saying that most devices work this way - it's just the effect on run-time are exaggerated with the new iPad due to the large capacity of the battery - that final 10% trickle charge counts for a lot compared with other devices.

My brother decided to opt for an iPad2 instead, as he's not bothered about the retina display (the iPad is used in an audio setup).
Batwing
02-06-2012
Originally Posted by iannai:
“I don't believe in patronising people. All information is relevant. The reason for the longer charge time is due to the much larger battery required to power the retina display (as you said).

It surely must be worth knowing that when the display says 100%, it isn't really 100% - if you leave it charging you can get over an hour extra running time - something worth pointing out I would have thought, and entirely relevant to the "average user", whatever that is.

You are right in saying that most devices work this way - it's just the effect on run-time are exaggerated with the new iPad due to the large capacity of the battery - that final 10% trickle charge counts for a lot compared with other devices.

My brother decided to opt for an iPad2 instead, as he's not bothered about the retina display (the iPad is used in an audio setup).”

No. The 100% charge reading corresponds with the specified battery life. Anything beyond that is bonus.
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