could someone confirm is this true? ABOUT IPOD NANO BATTERY

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zip22

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it doesn't matter. li-ion aren't affected. charge it to full if you want.
 

xlifez

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so the battery isn't the same as the ipod mini and its precessors?
 

zip22

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no, they were all similar. the "initial long charge" stuff was just a carry-over from older types of batteries in cell phones, etc. li-ion batteries do not need it and (to the best of my knowledge) apple has never required or recommended it.

edit: it doesn't hurt anything, its just not needed.

Lithium-ion is a very clean system and does not need priming as nickel-based batteries do. The 1st charge is no different to the 5th or the 50th charge. Stickers instructing to charge the battery for 8 hours or more for the first time may be a leftover from the nickel battery days.
http://www.batteryuniversity.com/partone-12.htm
 
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xlifez

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wait wait.. so all the info ilounge use to have about the charging and cycles is nothing? they made a mistake about it?
 

zip22

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cycling the battery like people seem to recommend can help the battery life, but its not in the way they think. it serves 2 purposes
1)reset the battery meter. the battery meter can be pretty inaccurate, and this may affect how the circuitry inside the nano regulates the charging. by fully draining the battery, the meter is reset and becomes more accurate.
2) the better explanation in my mind - let the person know how long their battery really lasts without variables (people who say "i used it for about 2 hours every day and it only lasted 4 days" or similar).


edit:
There is no memory and no scheduled cycling is required to prolong the battery's life.
http://www.batteryuniversity.com/partone-5.htm

Preparing new lithium-ion for use

Unlike nickel and lead-based batteries, a new lithium-ion pack does not need cycling through charging and discharging. Priming will make little difference because the maximum capacity of lithium-ion is available right from the beginning. Neither does a full discharge improve the capacity of a faded pack. However, a full discharge/charge will reset the digital circuit of a 'smart' battery to improve the state-of-charge estimation
http://www.batteryuniversity.com/partone-12.htm
 
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