This is a rtc cmos battery that is compatible with the one used for Dell Latitude E4310 E6400 E6510 ATG Precision M2400 M4400 notebooks. This replaces Mitsubishi GC020012S00 # V2TRD or Panasonic GC02000H000 F553C that has three wires and a three pin molex rectangular plug. (not OEM, yet compatible with Panasonic GC02000H000 or Mitsubishi GC02000KH00 and it's 3 wire/3 pin plug ) Cmos bios battery (RTC Battery) is for Dell Latitude E6400 Roush, Latitude E6500 Maybach, Precision M2400 Heelys , Precision M4400 Avia, and Precision M6400 Nike which uses a RTC Assembly that has a cable with a 3 wire and 3 pin plug like # FX191 Btry Rsrv 3.3v coin (not OEM, yet compatible with Mitsubishi GC02000KH00 and it's 3 wire/3 pin plug ) compatible with other Dell 3 pin assemblies: GC020012S00 # V2TRD, CR2032L/DBE Molex-25-P3, and GC02000H000 compatible with Lenovo 23.25005.001 * Note that the red wire will be the positive polarity, and this red wire will be as shown in the photos. The white or black wire will be in the middle position of the plug, that shares its negative polarity with the the black wire. Some assemblies have a middle white wire or aftermarket yellow, while others have two black wires (which are common to each other in regards to the polarity and positioning on the battery and adjacent to each other on the plug - side by side. 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.
