Is this bad for the battery?

Discussion in 'iPad 3 Forum' started by antisomnic, May 4, 2012.

  1. antisomnic

    antisomnic
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    Most of the time that I use my iPad is at home. I have it plugged in most of the time. It doesn't usually go below 90%. Is this bad for the battery? I guess it's an OCD thing for me I feel like if I can have it plugged in I should.
     
  2. sjleworthy

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    Nope. This is definitely not bad for battery life.
     
  3. beesknees

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    You missed my OCD battery charge thread...

    There has been a lot of information posted here about the best way to protect your battery and extend its life... some of it was in that OCD thread. From what I gather the most ideal charging is for the unit to be powered down. However an iPad is typically in stand-by mode while charging so it continues to use the battery anyway.

    I don't think it is a good idea for it to be plugged in and used when it is completely charged. I just wouldn't take the chance of it getting over-charged. I do use mine when it is on the charger but only up to 90 percent. Then I either turn it off or pull the cord.

    Everyone does tend to agree that from time to time it is still a good idea to drain the battery down. People say once a month but I think once every three months is fine.

    I think you could drive yourself crazy if you tried to make everything ideal and no one has even reported what you gain. What does a longer battery life mean in actual time?
     
  4. sjleworthy

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    You can't overcharge it
     
  5. beesknees

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    You say that but my Harmony One has a LI battery and it is always on when charging and it swelled up. From what I read it happens routinely.
     
  6. sjleworthy

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    You can't overcharge it. Period.
     
  7. King Hal

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    Agreed.

    Sent from my iPad using iPF
     
  8. Semel

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    To finally put arguments to rest Apple’s Vice President of iPad Product Marketing Michael Tchao mentioned the following to AllThingsD today about the issue:

    Apple does in fact display the iPad (and iPhone and iPod Touch) as 100 percent charged just before a device reaches a completely charged state. At that point, it will continue charging to 100 percent, then discharge a bit and charge back up to 100 percent, repeating that process until the device is unplugged. Doing so allows devices to maintain an optimum charge, Apple VP Michael Tchao told AllThingsD today. “That circuitry is designed so you can keep your device plugged in as long as you would like,” Tchao said. “It’s a great feature that’s always been in iOS.”
     
  9. beesknees

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    From: http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
     
  10. Semel

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