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Old 05-14-2007, 08:38 PM   #1 (permalink)
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You need to break in the BlackBerry battery. Charge-discharge it fully about 3 times. This will max the battery life of a fresh, new Lithium ion.
Note: once you do that, don't get in the habit of fully discharging the battery everytime -- to prevent wearing it out -- lithium batteries can be damaged with excessive deep discharges like a car battery can be.... When breaking in the battery, make sure you keep it plugged in long after the battery says it is fully charged (i.e. overnight), you really want to trickle-charge your BlackBerry to top-off your battery.

by Mark Rejhon
Is this saying to drain the battery til it goes dead, then charge til it's full, then make it go dead again? or is it saying drain it to like 10% or something?

dead or 5%.
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Old 05-14-2007, 08:47 PM   #2 (permalink)
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No, on the newer lithium batteries, that is not a good suggestion. Top off your charge during the day whenever possible. Maybe once a month you should drain it down to 15% about three times, and let it charge fully to 100%.
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Old 05-14-2007, 08:52 PM   #3 (permalink)
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So what do you suggest for me doing with the new battery i am getting in a week?

how do i max it's potential?
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Old 05-14-2007, 09:14 PM   #4 (permalink)
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Read this from another thread today...thanks to user "ceebz" for the info:
x" I leave all of my apps running and my 8800 can easily go for two and a half days. The only big battery sucker I've encountered is Yak-On.
It's common knowledge that Li-Ion batteries do not like to be drained more than 50%. The best thing you can do for your Li-Ion battery is to keep it topped off. Also, battery "conditioning" is a myth about Li-Ions. This is a carry-over from the NiMH days and there is simply no need to "condition" your Li-Ion battery when it is new.
Once a month or so it is ok to let your Li-Ion completely discharge, this resets its "meter". Other than that, keep it topped off.
Charging lithium-ion batteries
Quote: 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


Quote: 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.

How to prolong lithium-based batteries
Quote: A lithium-ion battery provides 300-500 discharge/charge cycles. The battery prefers a partial rather than a full discharge. Frequent full discharges should be avoided when possible. Instead, charge the battery more often or use a larger battery. There is no concern of memory when applying unscheduled charges.
Although lithium-ion is memory-free in terms of performance deterioration, batteries with fuel gauges exhibit what engineers refer to as "digital memory". Here is the reason: Short discharges with subsequent recharges do not provide the periodic calibration needed to synchronize the fuel gauge with the battery's state-of-charge. A deliberate full discharge and recharge every 30 charges corrects this problem. Letting the battery run down to the cut-off point in the equipment will do this. If ignored, the fuel gauge will become increasingly less accurate.
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Old 05-14-2007, 09:19 PM   #5 (permalink)
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thank you for your help. :]
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