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 1.25mm type (picoblade housing) that is fitted to a receptacle on the system board 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. Cmos bios battery (RTC Battery) are for system repairs on Dell Alienware 13 R1 R2, Alienware M9700 M9750 (Compatible with GC02001R00 system board installs) Compatible, non oem RTC Bios Clock Battery to GC02001R00 on repair use to Dell Latitude 3550 E5450 E5550 E7440 (compatible not OEM). and other models that requires a cable with a 2 pin molex plug. This will work on other brands and models such as HP zbook 15, 15 G1 15 G2, 17 G1 17 G2 HP spectre xt Pro 13 13-B000 that come equipped with GC02001NK00 734300-001 (not OEM, rather Compatible Model)
