Hi, I have a Medion Erazer Major X10, MSN 3003 4648, model MD62501. After replacing the battery, information like serial number, cycles, and capacity disappears after a few days. The charging voltage rises to 17.5 V instead of the original 15.4 V. I have tried several batteries, but the problem continues. Could this be caused by a BIOS update? Is it possible to downgrade the BIOS or try a beta version? Also, where can I buy a verified original Medion battery? Thank you for any advice.
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