Hello. I need help. I replaced the cells in the Lenovo L14S3A01 battery with the BQ9000 chip with new ones. I tried to write the FSS, but it was written with an error. The previous capacity was 2200, now 3500 (Samsung 35E). Although the battery is charged to 12.45V, it is indicated that RemainingCapacity = 0 mAh.
The problem is that you installed other cells than the original ones. We always recommend using the same original cells or cells that are compatible with the original one's profile.
I suppose you performed a calibration cycle since the FCC was updated, right ?
You are right. The cells are new, but compatible with the original ones. I did not calibrate them because this feature is not available for the EV2400, and I do not have a suitable laptop. So, a calibration cycle can fix this problem? Thanks for the answer.
It is important that the cells profile match the original cells profile, otherwise the chip parameters must be updated, this is not currently supported by NLBA1.
I cannot guarantee that a calibration cycle could fix your issue.
You are right. The cells are new, but compatible with the original ones. I did not calibrate them because this feature is not available for the EV2400, and I do not have a suitable laptop. So, a calibration cycle can fix this problem? Thanks for the answer.
try this 1 change Fcc = Design Power 2 use volts to calculate formula to get Remaining Power (mah) my favorite recipe: cell volt (1) * design capacity / 4200 (cell fully charged volts) 3 convert Remaining Power (mah) to hex ( https://seostudio.tools/decimal-to-hex) 4 write 0f and the hex number you just converted (remember to add 0 before if yours has 3 characters) then check again if it works
Thanks for the help. Unfortunately, this does not solve the problem. Since the new cells are different from the original ones, some parameters need to be changed, as Nikusor said. Without this, the battery will not work correctly. It would be great if NLBA1 supported this option.
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Posted : 12/05/2025 7:37 am
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