Is it any parameter to renew battery "needs to b replaced" ?

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rychuu
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Is it any parameter to renew battery "needs to b replaced" ?

#1 Post by rychuu » Sun Jul 08, 2012 12:00 pm

I have few batteries which are poor condition and Lenovo's did not charge it. Is it any chip which can be resettable for get 3 minutes mobility? I need only 3 minutes... :)
I am using Lenovo t410 2518-4ju.

best regards

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Re: Is it any parameter to renew battery "needs to b replaced" ?

#2 Post by RealBlackStuff » Sun Jul 08, 2012 2:23 pm

I bet it's much easier to borrow a battery from another, similar laptop, such as:
Lenovo ThinkPad Edge 14" 15" E420 E520 E40 E50 L410 L420 L510 L520 SL410 SL510 T410 T420 T520 Series Laptop.

Using any broken motherboard from a T60/T61/R60/R61/X60/X61/T400/T500 and newer Thinkpad and any dead battery for one of those, I made my own battery extension cord, by cutting out the battery connectors from such a dead mobo and such a dead battery, and soldering them together, using a length of 7-wire cable (cut out of an old IDE cable from a PC).
This lets me use ANY shape battery in ANY shape laptop that uses the same 7-pin battery connectors.

You could also try and find a T60 interposer card P/N 41W1130 and cut its connector in half and extend that (as above).
It's the leftmost black piece on this picture:
Image
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Re: Is it any parameter to renew battery "needs to b replaced" ?

#3 Post by twistero » Tue Jul 10, 2012 4:58 am

RealBlackStuff wrote: Using any broken motherboard from a T60/T61/R60/R61/X60/X61/T400/T500 and newer Thinkpad and any dead battery for one of those, I made my own battery extension cord, by cutting out the battery connectors from such a dead mobo and such a dead battery, and soldering them together, using a length of 7-wire cable (cut out of an old IDE cable from a PC).
This lets me use ANY shape battery in ANY shape laptop that uses the same 7-pin battery connectors.
Have you ever used a battery that has a different voltage from the original fitting battery? I believe the majority of ThinkPad li-ion batteries come in 3-, 6- and 9-cell variations, i.e. 10.8V, but there are also 4- and 8-cell batteries (e.g. for X-series and tablets) that are 14.4V.
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T61 Frankenpad in 15 inch T60 body, UXGA LED-lit AFFS LCD, T9300, 6GB RAM, NVidia NVS140m, Intel 6205, 128GB Crucial M4 SSD, 1TB HGST HDD + eBay caddy in Ultrabay
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Re: Is it any parameter to renew battery "needs to b replaced" ?

#4 Post by RealBlackStuff » Tue Jul 10, 2012 6:07 am

Yes, and it works both ways.
See also this: http://www.laptopbatteryexpress.com/Lap ... /11929.htm
Scroll down to: What do the power ratings mean - mAh, Volts, and Watts?

See also: http://forum.thinkpads.com/viewtopic.ph ... &view=next
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axur-delmeria
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Re: Is it any parameter to renew battery "needs to b replaced" ?

#5 Post by axur-delmeria » Wed Aug 30, 2017 12:49 pm

RealBlackStuff,

I don't have an interposer like that. Can I take the connector from a dead battery and mate it with the connector from a dead Thinkpad system board?
Daily driver: X220 4291-P79 i5-2520M

In reserve: X61 T7500, X60 T2300
In pieces: X60s CS U1300 [board only], two retired but working X61Ts
RIP: 760XD 9546-U9E

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Re: Is it any parameter to renew battery "needs to b replaced" ?

#6 Post by RealBlackStuff » Wed Aug 30, 2017 1:30 pm

Repeat from my 1st post above:
RealBlackStuff wrote:
Sun Jul 08, 2012 2:23 pm
Using any broken motherboard from a T60/T61/R60/R61/X60/X61/T400/T500 and newer Thinkpad and any dead battery for one of those, I made my own battery extension cord, by cutting out the battery connectors from such a dead mobo and such a dead battery, and soldering them together, using a length of 7-wire cable (cut out of an old IDE cable from a PC).

axur-delmeria
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Re: Is it any parameter to renew battery "needs to b replaced" ?

#7 Post by axur-delmeria » Thu Aug 31, 2017 12:06 am

Thanks. I should stop browsing the forum when half-asleep. :oops: :oops:
Daily driver: X220 4291-P79 i5-2520M

In reserve: X61 T7500, X60 T2300
In pieces: X60s CS U1300 [board only], two retired but working X61Ts
RIP: 760XD 9546-U9E

retired
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Re: Is it any parameter to renew battery "needs to b replaced" ?

#8 Post by retired » Thu Sep 21, 2017 11:47 am

Hey RBS - thanks again - don't have access to any of that stuff so just may grab a $10 battery off Ebay - again thanks for the info.

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