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Which third party battery can i use for T440s

T430 and later, plus T530 and later series specific matters only
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Shotokanda
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Which third party battery can i use for T440s

#1 Post by Shotokanda » Tue Sep 18, 2018 9:26 am

Hi,
I got a T440s and I wanna buy some extra batteries. I had a X230 before and it didnt charge some 3rd party batteries.
Which brands of batteries are "save to buy" for my model?

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Shotokanda

RealBlackStuff
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Re: Which third party battery can i use for T440s

#2 Post by RealBlackStuff » Tue Sep 18, 2018 10:00 am

Welcome to the Forum.

The X230 can charge any non-official battery after you mod the EC, info here: viewtopic.php?f=69&t=120776

T440s can use the same batteries as the X240 (external 3-cell 24W 68 and 6-cell 72W 68+).
It is recommended to use genuine Lenovo batteries, unless you find knock-offs from a reliable(!?) supplier.
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Thinkpad4by3
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Re: Which third party battery can i use for T440s

#3 Post by Thinkpad4by3 » Tue Sep 18, 2018 11:29 am

X240 and T440 also haeve interchangeable internal batteries FWIW.
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The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

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