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It is safe to charge you iPod with every sync.

by Cheeto22 / August 14, 2006 8:07 AM PDT

I heard on today's podcast that one us didn't like the idea of charging their iPod with every sync. But it's okay to do so.

Older Nickel-based batteries have had many of issues with charging due to the ''memory effect'' and the ''full discharge'' technique. But that's Nickel-based batteries only.

iPods (and mobile phones and laptops, etc.) are powered by Lithium-Ion batteries. These batteries are not affected by charging but by age (and defects/misuse but that's a whole-nother topic [KABOOM!]). The older the battery the less of a charge the battery will be able to hold. So that brand new iPod will die, eventually. Not because you murdered the battery with every charge/sync but because all things must die (well, these batteries must).

A primer charge is not required nor will it do any good (nor evil) other than a full charge.

The only good reason for a ''full discharge'' of Li-Ion batteries is for the sake of actual memory stored on chips within the casing of the battery. They can be reset for optimal feedback of the battery's charge.

(I'm 99% sure of what I wrote. But, please, correct me if I'm wrong. We aren't all perfect.)


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(NT) (NT) Note: not all Li-Ion batteries have a memory chip.
by Cheeto22 / August 14, 2006 8:09 AM PDT
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(NT) (NT) Apple is ~wrong. Read what the rest of the world says.
by Cheeto22 / August 14, 2006 9:00 AM PDT
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I'm glad to see you posted this, and you are correct!
by jrc162_17 / August 16, 2006 2:54 AM PDT

Since were talking about an Apple product, lets see what Apple has to say about LiOn Batteries...

Now I recall the intial concern is that overcharging a battery is bad.. This is a myth as far as LiOn batteries are concerned. While it is possible, there is a voltage regulator built into all LiOn batteries that prevents the battery from over charging. Once the battery reaches it's charge threshold, the regulator simply shuts down the charging process. The reason your iPod (asuming it's hard drive based) heats up when it's plugged into your computer is because the hard drive spins up for a longer period of time than when you are typically using it because it is transfering data. Amongst other things the battery will heat up as well because the charging ciruit will top off the battery until it reaches it's threshold again. So do not worry if your iPod feels a little toasty when it's plugged in, that's perfectly normal.

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(NT) (NT) couldn't have said it better myself.
by udayan71 / August 16, 2006 3:26 AM PDT
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