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Hello everyone,
I am looking for help repairing a laptop battery pack Clevo NP50BAT-4.
The battery uses a Texas Instruments BQ40Z50 fuel gauge/controller with firmware version V3.09.
please help unseal this battery.
Topic starter
Posted : 08/06/2026 7:52 am
Connect battery to NLBA1, press "Read All Once" button, paste a picture with parameters.
Posted : 08/06/2026 9:22 am
Go to Reset page.
- press Unseal button
- press Read Chip Info button
- paste picture
Posted : 09/06/2026 12:29 pm
The program crashed/froze, and after restarting it, it reports that the license key is invalid.
Topic starter
Posted : 09/06/2026 12:52 pm
Contact us on WhatsApp and provide the picture there.
https://www.laptopu.ro/contact/
Posted : 09/06/2026 12:57 pm

