Why aren't there any 3rd party batteries with the prismatic form factor? I imagine the modern day cells could pack a lot more mAh than back when they were first produced. Any options if I don't want a hump? Maybe giving this one a jolt to revive it?
Daily driver: X62s
- Lid: X60 with SXGA+ IPS
- Bottom: X61s
- Motherboard: X62
(a) Probably modern day cells are not so much more efficient as you would hope.
(b) Probably no one cares.
Take the existing dead battery and re-cell it (yourself or take it to a specialist). See how much total Wh you can get, I'd be curious to find out.
X61 7673-V2V, T60 2007-QPG, T42 2373-F7G, X32 (IPS Screen), A31p w/ Ultrabay Numpad, A21m 2628-GXU
Got hold of a X61S with this battery.
Guess it could not be 18650 cells.
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I had four X60T/61T batteries re-celled about a year ago locally with prismatic cells.
They came back with the same re-charge capacity (64WH) as the originals, and hold a charge for about as long as did the original cells.
I sold one to Ajkula66 and have been using the other 3 batteries for the last year, and they are holding up very well. The only "issue" is that the "Manufacture Date" was ten years NEWER that the "First Used Date"!
DD's & Test Benches: X41T, X60T & X61T's, various T42p-T43p's, x200 x201 x220T x230 T520 W530 T601F LED (X9000/8Gb/250SSD/W7 U)
"Life Is A Journey...Enjoy The Ride!"
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The cells inside are rectangular, like those for cell phones. I've opened two 8 cell X61 Tablet batteries, which contain 4 18650s and 4 rectangular ones. It's very likely the 4-cell prismatic uses the same cells. I couldn't find any labels or markings that would identify their exact type though.
Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
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