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If you can find a datasheet of the MCU you maybe able to reset it by grounding the RESET pin. Otherwise you have to use be2works software.
Battery EEPROM Works is designed to simplify the process of laptop battery repair. This process can be divided in two parts: cells replacement and fixing the content of EEPROM or integrated Flash of laptop battery controller. While cells replacement is easy and can be made by any technician who can work with welding machine, EEPROM fixing is very complicated and important task and can be made only by the personal with special skills and equipment. Battery EEPROM Works makes this process as easy as 1-2-3. The technician needs just to connect EEPROM chip to adapter and press the button. All the necessary work will be made by the software. The laptop battery data will look like a brand new: Full Charge Capacity will be the same as you entered and will reflect real cells capacity, Cycles Count will be set to zero, and Manufacturer Date will be changed to current system date, Permanent Failure Flag will be removed and all the additional necessary changes will be made too. Battery EEPROM Works supports a lot of laptop batteries of different manufactures
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How do I uninstall Battery EEPROM Works in Windows Vista / Windows 7 / Windows 8?
- Click 'Start'
- Click on 'Control Panel'
- Under Programs click the Uninstall a Program link.
- Select 'Battery EEPROM Works' and right click, then select Uninstall/Change.
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How do I uninstall Battery EEPROM Works in Windows XP?
- Click 'Start'
- Click on 'Control Panel'
- Click the Add or Remove Programs icon.
- Click on 'Battery EEPROM Works', then click 'Remove/Uninstall.'
- Click 'Yes' to confirm the uninstallation.
How do I uninstall Battery EEPROM Works in Windows 95, 98, Me, NT, 2000?
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- Click 'Yes' to confirm the uninstallation.
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Nothing! Download Battery EEPROM Works from official sites for free using QPDownload.com. Additional information about license you can found on owners sites.
It's easy! Just click the free Battery EEPROM Works download button at the top left of the page. Clicking this link will start the installer to download Battery EEPROM Works free for Windows.
Yes! The free Battery EEPROM Works download for PC works on most current Windows operating systems.
Posted byX230 / Thinkbomb11 months ago
Archived
I pulled the trigger on this because I didn't have much to lose, being down to an hour or so of light browsing before my laptop would die meant that if I wanted to do anything serious I'd have to tether myself to the wall.
I ended up sourcing some lightly used, newer, widely available netbook batteries, given the voltage and amperage I knew I'd be getting six cells in a '3 series, 2 parallel' configuration, exactly what I'd need for the Thinkpad battery. I was lucky enough to find they even had the tabs needed for balancing, between the sets of two batteries in parallel. This is probably what got me to do this in the first place, because buying and soldering brand-new batteries seems expensive and scary.
Cracking open the 44+ battery was probably the most difficult part of this entire project. The top shell (with the stickers) has tabs that are sandwiched between two 'walls' on the bottom shell, and the sets of notches and tabs that allow them to split are on the inner 'wall'. Here's a very professional diagram. I have NO idea how one could go about dismantling this thing non-destructively, but after a lot of prying and slicing non-essential plastic I got the halves apart. My best guess for it would be attacking the tabs from the inside, using a thin, flexible plastic spudger through the holes hidden by the large sticker, but even that is a stretch.
After that, I just presented my new batteries (blue) on top of the old set, checked the polarity, and carefully soldered the corresponding wires over the blobs of solder holding the original cells' tabs to the circuit board. This ensured the PCB wouldn't run out of power and lock up, because I sure as hell don't have access to $200 software and $50 hardware to jump and unlock it.
I left the thing overnight to balance out the charge between cells (this was mostly peace of mind, I'd read about it on the thinkpads forum and thought I might as well do it) and cut the tabs flush the next day, leaving the new batteries now connected.
Then I just used Lenovo Vantage on windows 10 to perform a battery gauge reset and went from 20 to 38 mWh, which seems pretty okay for a used battery that cost me nothing, and is definitely enough to let me do at least some of my work on battery.
Some notes:
The original cells are pretty high quality LGABC21865 while the new ones are LGAAS31865. The biggest difference I can see is that the originals have a maximum rated voltage of 4.30V while the new ones are only 'supposed' to reach 4.20V, I'm currently looking into whether that could harm the battery's life much and if I can help it by just docking the max charge % at 80% or 90% using Lenovo Vantage.
The original cells are pretty high quality LGABC21865 while the new ones are LGAAS31865. The biggest difference I can see is that the originals have a maximum rated voltage of 4.30V while the new ones are only 'supposed' to reach 4.20V, I'm currently looking into whether that could harm the battery's life much and if I can help it by just docking the max charge % at 80% or 90% using Lenovo Vantage.
The thermocouple (kapton-wrapped dongle hanging off the PCB) is probably still active when I'm doing all my soldering, so it's probably a good idea to keep it away from heat.
The placement of the board and batteries on the casing dictates how long your wires should be. I ended up redoing one connection because it was too short, as the donor battery's board was further to the center. There's also very little room for slack wire, so if I did this again I'd take the time to measure everything out and make sure it fits pretty much exactly.
I've heard that going in with an SMBusb and some knowledge of the EEPROM would allow me to get more out of the battery (maybe a couple more mWh, since the rated capacity of the original was already just 47) but I don't have the tools for it and I would've rather gotten a new battery than spent the money on them.
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