The cmos bios battery being offered here are based on a 3 volt 210mah rating system board need, where what is required is a cable and 2 pin plug. The 2 pin plug is a Molex Picoblade 1.25 mm type that is fitted to a receptacle on the system board LA-D751P BAP10 for it's integration. 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. Model integration of this cmos bios battery (RTC Battery) are for Dell Alienware 17 R4
