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How can I increase battery life?

The following tip is created based on a Lenovo Forums/Microsoft solution. For more information, please visit:

 

Symptom

 

Which option to use: “Maximum runtime (hours) or “Maximum Lifespan”? 

 

 

Affected Configurations

The above symptom is associated with, but not limited to, the following systems:

  • ThinkPad

Affected systems:

  • Lenovo B480, B580
  • Lenovo E49
  • Lenovo V480, V480s, V490u, V580
  • Zhaoyang E49, Zhaoyang K29, Zhaoyang K49
  • Edge 11, Edge 13, Edge 14, Edge 15
  • Edge E10, Edge E30, Edge E40, Edge E50
  • Edge E120, Edge E125, Edge E130, Edge E135, Edge E220s
  • Edge E320, Edge E325, Edge E330, Edge E420, Edge E420s, Edge E425, Edge E431, Edge E445
  • Edge E430, , Edge E430c, Edge E435, Edge E520, Edge E525, Edge E530, Edge E530c, Edge E535, Edge E531, Edge E545
  • Helix
  • L410, L412, L420, L421, L430, L510, L512, L520, L530
  • Reserve Edition
  • R51e, R52, R60, R60e, R61, R61e, R61i
  • R400, R500
  • SL300, SL400, SL400c, SL410, SL500, SL500c, SL510
  • S430, S431, S531
  • T43, T43p, T60, T60p, T61, T61p
  • T400, T400s, T410, T410i, T410s, T410si, T420, T420i, T420s, T420si
  • T430, T430i, T430s, T430si, T431s
  • T500, T510, T510i, T520, T520i, T530, T530i
  • W500, W510, W520, W530, W700, W700ds, W701, W701ds
  • X1, X1 Hybrid, X1 Carbon (Type 34xx)
  • X32, X40, X41, X41 Tablet
  • X60, X60s, X60 Tablet, X61, X61s, X61 Tablet
  • X100e, X120e, X121e, X130e, X131e
  • X200, X200s, X200 Tablet, X201, X201i, X201s, X201 Tablet
  • X220, X220i, X220 Tablet, X220i Tablet
  • X230, X230i, X230s, X230 Tablet, X230i Tablet, X300, X301
  • Z60m, Z60t, Z61e, Z61m, Z61p, Z61t

Operating Systems

  • All Operating Systems

     

Solution

 

A ThinkPad battery can be set up for maximum runtime (hours), or for maximum lifespan before it must be replaced (years). The choice is yours, but with today's battery technologies, you can't have both at the same time.

Whichever optimization you choose, the limitations of today's batteries technologies also mean that they are consumables, i.e. your ThinkPad will last longer than its battery!

 

Optimizing for runtime (hours)

The normal default Lenovo Power Manager Battery Maintenance setting keeps your battery fully charged.  It starts charging when the battery drops below 96%, and stops at 100%. Runtime on battery then depends on the Power Plan settings you choose.

 

There are several predefined Power Plans which you can tweak to your needs, or you can create your own. For the best runtimes, start with the Maximum Battery Life Power Plan.

 

Optimizing for lifespan (years)

The main enemies of battery longevity are age, the number of charge cycles, amount of time at full charge, and high temperature.

For maximum lifespan if you rarely use the battery, set Custom charge thresholds to start charging at 40% capacity and stop at 50%, and keep the ThinkPad cool. The thresholds can be adjusted in the Battery Maintenance settings of the Lenovo Power Manager.

If you do use your battery somewhat frequently, set the start threshold at say 85% and stop at 90%. This will still give a good lifespan benefit over keeping it charged to 100%.

The simplest way to optimize for battery lifespan is to select Automatic in the Power Manager Battery Maintenance settings, and let it manage your battery charge thresholds for you.

 

Additional Information


Trademarks

Lenovo, ThinkServer, ThinkCentre, ThinkStation, and ThinkPad are trademarks of the Lenovo Corporation in the United States, other countries, or both.

Microsoft, Windows, and the Windows logo are trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries.

 


  • Alias ID:
  • Document ID: HT078208
  • Last Updated :17.06.2014
  • (c) 2014 Lenovo