How to maximize W520 Battery Lifespan?

I just got a W520 and I plan to run it off of the AC adapter 90% of the time, so I want to make sure that I will not reducing the lifespan of the battery in any way. I read the help section in the battery maintenance window, and it sounds like if I run automatically optimize for battery lifespan, it will recognize my habits in time and change the thresholds. I would rather it run at the thresholds for maximum battery life immediately. What threshold settings would that be?  Also I saw something about charge rate in the help section. Is charge rate determined by the thresholds? Would setting the charge thresholds myself be equivalent to the optimize lifespan setting (once it's reached the right values), or is it doing something different? I don't really care what charge level my battery is kept at, I just want it to last as long as possible.

If you really want to make it last longer, charge it about half way and freeze it:
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
W520 i7-2720QM | 32 GB RAM 1333 MHz | FHD 1920x1080 | Quadro 1000M | Windows 7 & Ubuntu 14.04
Crucial M500 480GB mSATA + 2 x 1 TB Hitachi Travelstar 7200 rpm | BIOS 1.38

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    Occam's Razor nearly always applies when troubleshooting technology issues!
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    Message Edited by george57l on 03-17-2009 07:49 PM
    George
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  • W520 battery not charging

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  • Automatically Optimize For Battery lifespan

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    hey imbcms1
    try doing a battery gauge reset. then use your unit as usual (without AC adapter) and let it discharged normally.
    once discharge, charge it fully and do not use the unit while its charging.
    uninstall and reinstall the power manager. Currently the latest version of power manager is at 3.62 (win 7) / 1.99j (win xp)
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