This is a replacement rtc battery suited for the use on Acer Swift 1 SF114-32 notebooks. This rtc assembly has a small 2 pin Plug . Compatible RTC Assembly Fits the notebooks mentioned, and is listed as a replacement to the OEM RTC Battery- not OEM, rather a aftermarket model) The cmos bios battery being offered here are based on a 3 volt rating system board need, where what is required is a cable and 2 pin plug. The 2 pin plug is fitted to a receptacle on the system board for it's integration