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> Charging with data cable bad for the battery?
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I'm guessing not, as SE wouldnt have made a data cable that also charges otherwise!
So do Li-ion batteries not suffer any 'memory effect' whatsoever?
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Posted: 2005-11-05 13:21:43
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lithium batteries don't suffer memory affect at all. It is completely safe to charge regardless of the current state of charge of the battery.
Neither do you need to deep cycle charge the batt. Just use it and charge when convenient. I charged my K700 almost every single night for 12 months or more and the battery is in pristine condition still.
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Posted: 2005-11-06 01:32:48
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only nimh and nicad batts have memory effect. on some way i have to admit, that those batts were way more stable and trusteable.
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Posted: 2005-11-06 01:35:00
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Does that go for nokia too?? I hope so...
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Posted: 2005-11-06 02:41:00
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u mean the usb charger?
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Posted: 2005-11-06 02:50:49
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Ideally, it would be BEST to charge Li-Ion batts when it is about to go DRAIN, not 3/4 or 1/2 - FULL !
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Posted: 2005-11-06 03:06:50
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A common misunderstanding, but not so JN. This only applies to batteries that suffer memory affect. Li-on batts can be charged at any point in the discharge cycle without affecting the batteries life cycle.
I wondered too when Lithium bats first came out (and manufacturers claimed they have no memory effect), but since then I have found it to be true.
I used my T28s for three years without the battery once suffering memory affect. I rarely discharged the battery more than 50% before charging, and in fact mostly I put it on to charge every night, with the battery at 80% or more.
Same with my T610 and K700 (twelve months use each) and K750 (3 months so far).
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Posted: 2005-11-06 12:13:16
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The only thing that could be damaging to (even) Li-Ion batteries is fast charging, as in the type of charging done using an Auto/Car lighter adapter. Those chargers tend to 'rapid charge' the battery messing with the charging circuitry over time. That's why I was wondering if the USB charging is considered to be the same, but since USB can only provide 500mA of power I don't think that's the case.
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Posted: 2005-11-06 22:44:40
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I'm pretty sure either the phone or lithium battery itself has circuitry that prevents fast charging.
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Posted: 2005-11-07 02:19:41
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@max - Is that a very 'safe' advise mate
I may agree in a way to your last posts about the issue but as what I have heard from peeps and in some forums that for BEST results with your (Li-Ion) batts, charge it when it's about to go DRAIN. Although as what you have also lamented, that Li-Ion batts can be charged almost at - any given time, am I right here
But for me, I only DO that when I am about (abrupt) to go on a special meet or occasion or even plain malling, an hour of charging will suffice, even when the meter is - 3/4s full !
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Posted: 2005-11-07 02:37:07
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