meh, 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
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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
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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.
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How to prolong lithium-based batteries
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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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