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Best Battery for a T61p 15.4" ?

T60/T61 series specific matters only
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E350
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Joined: Sat May 07, 2011 10:22 pm
Location: Sacramento, CA

Best Battery for a T61p 15.4" ?

#1 Post by E350 » Thu Apr 19, 2018 3:48 pm

I would like your recommendations along with current sourcing/URL links to purchase the "best" battery for a T61p 15.4"

As a second request, I would also like your recommendations along with current sourcing/URL links to purchase the "second best" (i.e., better pricing but still good quality) battery for a T61p 15.4"

I know this post duplicates many others, but hopefully the responses will be more current.

Thank you all in advance.

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Re: Best Battery for a T61p 15.4" ?

#2 Post by TPFanatic » Thu Apr 19, 2018 7:54 pm

Look for a T500 9 cell Panasonic 41++ FRU: 42T4620 or 6 cell Pansonic 41+ FRU: 42T4622.

Mind you these laptops especially the 15.4" ones with their high resolution power hungry CCFL screens and DGPUs will not get good battery life even with a 9 cell, although I suspect with an LED backlight mod !! much of that would be alleviated. My T500 gets maybe an hour and a half of continuous runtime on my 20% worn 9 cell, with the screen being the largest culprit I believe.
lenovo X230 i5 3320m IPS 8GB
lenovo T430 i5 3320m FHD 8GB
lenovo T500 P9700 WUXGA 8GB


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E350
Sophomore Member
Posts: 215
Joined: Sat May 07, 2011 10:22 pm
Location: Sacramento, CA

Re: Best Battery for a T61p 15.4" ?

#3 Post by E350 » Sun Apr 22, 2018 12:51 pm

RealBlackStuff: Thank you for your help. You said this in the X60/X61 subforum:

"Re: Project result report: Re-celling 8-cell X6x (non-tablet) battery
#5 Post by RealBlackStuff » Tue Jul 25, 2017 9:58 am

My X201 has a 9-cell 42T4696, made by Panasonic.
Mfg date: 2010-06-22
First use: 2010-11
Cycles: 279
Design : 84.24Wh
Current: 84.33Wh, that is MORE than original design, after almost 7 years of use!"

I simply cannot find where to buy Panasonic batteries for Thinkpads.

Do you have any sourcing suggestions?

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