Difference between revisions of "Problem with ThinkPad 600 batteries"
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| − | + | This page provides information about the problem of early dying batteries on 600 series ThinkPads. | |
==Problem description== | ==Problem description== | ||
| − | + | The charge indicator falls from some to a still quite high (between 50% and 95%) charge state to 5%. | |
| − | The charge indicator falls from some still quite high (between 50% and 95%) charge state to 5%. | ||
This happens only on batteries which have gone through some recharging cycles already. | This happens only on batteries which have gone through some recharging cycles already. | ||
==Affected Models== | ==Affected Models== | ||
| − | + | *{{6 Series}} | |
| − | * | ||
==Affected Operating Systems== | ==Affected Operating Systems== | ||
| − | |||
*all | *all | ||
==Status== | ==Status== | ||
| − | *Raph Levien | + | *Raph Levien and Daniel Blais have collected comprehensive information about this phenomena and possible solutions on their battery pages: |
| + | **[http://www.levien.com/tp600-battery.html Raph Leviens ThinkPad 600 battery page] | ||
| + | **[http://www.milnoc.com/TP600Battery/ Daniel Blais' IBM ThinkPad 600 battery page] | ||
==Solutions== | ==Solutions== | ||
| − | |||
*See this page: http://www.levien.com/tp600-battery.html | *See this page: http://www.levien.com/tp600-battery.html | ||
| Line 33: | Line 31: | ||
*I have had excellent success with a refurbished battery from batteryrefill.com (which I only recharge while the laptop is off). | *I have had excellent success with a refurbished battery from batteryrefill.com (which I only recharge while the laptop is off). | ||
| − | == | + | ==External Sources== |
*[http://ask.slashdot.org/article.pl?sid=03/01/30/1744214 Slashdot.org article] | *[http://ask.slashdot.org/article.pl?sid=03/01/30/1744214 Slashdot.org article] | ||
| − | *http://www.levien.com/tp600-battery.html | + | *[http://www.levien.com/tp600-battery.html Raph Leviens ThinkPad 600 battery page] |
| + | *[http://www.milnoc.com/TP600Battery/ Daniel Blais' IBM ThinkPad 600 battery page] | ||
Latest revision as of 11:36, 21 December 2019
This page provides information about the problem of early dying batteries on 600 series ThinkPads.
Contents
Problem description
The charge indicator falls from some to a still quite high (between 50% and 95%) charge state to 5%. This happens only on batteries which have gone through some recharging cycles already.
Affected Models
Affected Operating Systems
- all
Status
- Raph Levien and Daniel Blais have collected comprehensive information about this phenomena and possible solutions on their battery pages:
Solutions
- See this page: http://www.levien.com/tp600-battery.html
- That page notes that a firmware update whose changelog entry mentions "optimizing battery recharging" might help to correct the problem, on the theory that this update disables charging when the battery is fully charged and the laptop is using mains power. With any luck the firmware update is on most Thinkpads by now.
- According to a front page Slashdot.org article, if one discharges the battery nearly fully at least once per week then the batteries will be fine.
- Samiam: I did not have problems with the battery until I left it in a laptop which was plugged in all of the time; both of my batteries went from being able to hold a charge from one hour to being able to only hold a charge for about five minutes.
- It is the impression of some users that the batteries perform better if they are never charged while the computer is on. The area around the battery gets quite hot while using the laptop. Charging the battery at that temperature seems to be a bad idea.
- More a way of circumvention than an actual solution is to buy an external battery pack.
- I have had excellent success with a refurbished battery from batteryrefill.com (which I only recharge while the laptop is off).
