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Thread: Leaving Prime plugged in while using?

  1. #1
    Ratchet
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    Leaving Prime plugged in while using?

    Can someone tell me if it is bad to leave my Prime plugged in all the time when its charged? I keep it plugged in until i need to actually leave the house with it then i switch to the battery. I've heard things about other tablets where its bad for the battery to be plugged in to the charger all the time because the charger doesnt just switch to AC power form the outlet when its done charging, it continually trickle charges the battery after depleting it slightly. But this was for much cheaper devices, so I'm wonder if this premium tablet has better charging/AC power features.

    Thanks



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    It is never going to discharge the battery while plugged in?

    So when it is charged, unplug it and use it until it is getting low.

    It will take a while though.

    When it is getting low, recharge it to give it some exercise.

    Leaving it plugged in all the time is not a good idea.
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  3. #3
    Ratchet
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    DO NOT, I repeat, DO NOT leave the Prime plugged in all the time. It is a bad idea. The same thing applies to many electronics out there.
    A good example is a laptop. Many people leave a laptop plugged in all the time (because some use it as a desktop replacement) and it kills the battery over time. Then when you go to use it on battery you have 30 mins or less.

    I know this because I have done this. I destroyed my battery in my laptop because I would always leave it plugged in.
    Now 2 years later I had to spend almost 100 bucks to buy a new battery because I can only get 20 mins on a charge.

    Please listen to these words. When you are at home, let it charge fully, unplug it and use it.
    When the battery is running low, plug it back in.

    Sent from my Transformer Prime TF201 using Tapatalk

  4. #4
    Soundwave
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    The whole point of having a battery is that you don't have to plug it in for a while.
    I like to stretch that time

  5. #5
    Jazz
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    My understanding of rechargeable lithium ion batteries is they don't suffer memory like older technologies do (NiCD really suffered). Search lithium battery memory in Google and decide based on what you find.

    Sent from my Transformer Prime TF201 using Tapatalk
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    I did a google search on Battery University. Interesting articles. Says not to deep discharge...

  7. #7
    Soundwave
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    It's ok

    Believe me, it won't make any difference. I work for a major and well established battery company, where I am responsible for R&D and technical support, as well as engineering design. Your TF201 battery will not know any different if it is left plugged in or not.

    Sleep Well!

    Monius
    Swipe, lopezco, drigo and 1 others like this.

  8. #8
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    From my own math, discharging them to 50% and then charging them to 100% will give you about 50% more battery life, than if you discharge it to zero. These batteries have no memory so charging them even when they are at 90% won't hurt, but they are most stressed out at 100%, so you need to relieve the stress. These are lithium polymer batteries. Google that battery type and have a good read. What I did learn is the DOD (depth of discharge) effects the battery life as well. So going all the way down to ZERO is allowing a very deep discharge, which will shorten life. If I recall if your battery gets 500 100-ZERO discharges before dying, it gets 1500 going from 100-50% (hense the 50% more life I calculated, you have to figure in 50% less use as well so 1000 charges would equal 500 full charges, leaving you 500 more half way charges, or 250 more 100% charges, giving you 750 vs 500). You get 4700 charges if you go down by only 10%, but doing the 90% less use math, doesn't work out too well. 50% seems to be the sweet spot, the battery should last about 9000 hours if you charge to half and refill, obviously you will not be able to do this every time, but if you can, do, then your prime battery will last somewhere between 6000-9000 hours. The more half way charges, the closer to 9000 hours you will get. Most likely most people will replace the tablet before the 6000hour mark, so....use your own judgement.

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    You will find this interesting, I believe...
    http://www.transformerforums.com/for...batteries.html

    And without wishing to offend anyone, I would take the information posted by Monius "under advisement" & not treat it as gospel truth.

    PLEASE Search for existing threads before posting a new one. Thanks.

    Your opinion matters. But should you disagree - please try not to be disagreeable

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  10. #10
    Ratchet
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    I believe though leaving it plugged in or discharging it the battery will die in time.
    Above it was mentioned two year the battery lasted 20 minutes, I think 2 year is about the normal life of a battery.

 

 
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