Hello i have strange problem with NLBA cannot read batteries.Checked with diode tester SCL and SDA and they are identical but i cannot read battery.It happen very strange i receive message that must update to new version and after that i cannot read any battery the connection with pc is ok.Here is video that i made.
Here is video
Try another good battery. Your battery could be over discharged and could cause this issue.
Hello already check with another battery i cannot read anything also check with battery pulled from laptop read something with a lot of faults.Any idea?I can put 100 ohm resistors but don't think it will help also can check with osciloscope clock and data.But my case case is similar to anoher one here in forum.
I started the topic as cyriliano and answer from my office computer as office1.
Take a good battery, connect it to the NLBA1, do not press the Power On button, send me pictures of the wiring and the front of the NLBA1 device.
Take a good battery from lenovo and put it to programmer i still read strange things
I cannot find reason for this but the box cannot read batteries i checked wiith osciloscope scl and sda lines with with 5-6 good batteries but it cannot read.On this laptop i have windows 7 is it possible that can be a problem.
Check chapter 5 here: https://www.laptopu.ro/2023/09/12/how-to-troubleshoot-the-nlba1-laptop-battery-analyzer-device/