Cmos bios assembly battery (RTC Battery) are for Samsung Series 9 Ultrabook NP900X3D i5-2537M Samsung Series 9 Ultrabook NP900X3D-A01US i5-2537M Samsung Series 9 Ultrabook NP900X3D-A02US i5- 3317U Samsung Series 9 Ultrabook ATIV NP900X3D-A04US i5-3317U Samsung Series 9 Ultrabook NP900X3D-A05FR i5-2537M Cmos bios assembly battery (RTC Battery) is a cable harnessed 2 pin plug integration that is the power source to the rtc circuit enabling the motherboard to retain it's default settings ei: date, time and boot sequence. The renewal or replacement process might be something that can be somewhat challenging depending on the specific model of notebook, yet in most cases technical manuals will allow the scope of it's replacement process and allow owners to replace and renew the cmos battery. If in doubt, please ask us to assist or redirect you to that source help.
