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Thread: K800i charging time?

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    K800i charging time?

    I've had my K800i for a couple of months and so far it's okay. The battery life is a bit weak but I appreciate that a phone with that much "stuff" is going to run the battery down quicker than my Nokia 6230 did.

    Anyway, I put my battery on to charge this morning as it was down to 3%. I go off, make a cup of tea, drink about half of it and then go back to my phone to make sure I had actually remembered to turn the plug on. To my surprise, the battery was saying 81% - it'd had charged 78% in the space of about 7 minutes, is this normal?

    I've never looked at it while charging before, I just whack it on and leave it for a couple of hours, it just strikes me as being rather odd

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    Does he need a reason? Funkstar's Avatar
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    the last 20% or so usually takes the longest to charge.

    Power usage is not a linear scale, there is a curve patern to the power output of any cell. Thats why a lot of them can stay above 80% for ages and then drop really quickly after that.

    The reverse is true for charging.

    I bet it is the screen on the K800 that is killing the battery faster than the 6230. They are probably the most power hungry component of a modern phone

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    Thundercats Ho! starbuck's Avatar
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    turn off 3g if you don't use it much as that will run down battery life quicker than most things.
    I do know everything, just not all at once. It's a virtual memory problem.

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    Does he need a reason? Funkstar's Avatar
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    good point. same with Bluetooth

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    There's no 3G reception here and I only use Bluetooth once in - well, a blue moon so they're both turned

    I hadn't given much thought to the fact that batteries don't charge in a linear fashion - it just surprised me to see the battery 80% charged after just a couple of minutes!

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    Does he need a reason? Funkstar's Avatar
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    That 80% you got after a couple of minutes charge, won't last long. However if you do a complete charge and let it run down to 80%, this time it will take longer to go down to critical levels.

    Batteries are strange things

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    also, check you firmware, the second major release has better battery life.
    ur battery myt also be a bit messed if you never charged it properly the firt time you got it, and also if u dont treat the battery well.

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    I have the latest firmware, the phone's only a couple of months old and if you try and update it says it's the most recent version. I'm considerate to the battery, I charge it fully when it gets to 4-5~% and don't do random "top-up" charges.

    Funkstar, batteries are indeed strange things

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    Though if it is a lithium-ion battery, which I think that one is. I usually regard it best practice to charge that battery type often, even if I've only lost an hour or two of talk-time. They don't have a memory effect like ni-cads do, and instead of a maximum number of charge cycles they have a relatively fixed lifespan.

    What I have noticed, is that if a newer generation of phone uses the same battery as an older model, then that range of phones will suffer more initial battery problems as the manufacturer uses up older battery stock. Instead of getting a fresh new phone with a fresh from the factory battery, you get a phone with a battery that might give its all for 8 months before needing a charge everyday just to keep going.

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    Thundercats Ho! starbuck's Avatar
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    If you are having problems with the battery, best thing to do is to recondition it. Let it go completely flat(and I mean dead dead) then FULLY charge it(even leave it on for 24hrs to make sure if you can). After this, you can keep topping it up as usual. Most batteries need an occasional full discharge and if you do this, the battery should then last longer.

    With brand new batteries, you're supposed to fully charge and discharge it 3 times to get it up to full capacity before you top it up.
    I do know everything, just not all at once. It's a virtual memory problem.

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    Quote Originally Posted by starbuck View Post
    turn off 3g if you don't use it much as that will run down battery life quicker than most things.
    How do you turn off 3g?

    Cheers

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    i also ahve this fone and i get about 2 days out of it and i do use it alot. i then charge it every second day. But how do u turn off 3g? i have never seen an option to do this.

    its a very good phone imho
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    Go to Settings > Connectivity > Mobile networks > GSM only and that should turn off 3G

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    Quote Originally Posted by Miller85 View Post
    Go to Settings > Connectivity > Mobile networks > GSM only and that should turn off 3G
    Ah, I don't have that option on mine, just select network and a greyed out preferred network. Most likely the customized 3 firmware.

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    The Irish Drunk! neonplanet40's Avatar
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    worked on mine fine :S
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    Quote Originally Posted by neonplanet40 View Post
    worked on mine fine :S
    Are you on the 3 network?

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