Catalog > Internet of Things (IOT) Related Products > Sparkfun Sparkfun SMD Coin Cell Battery Holder - 12mm Coin Cell SMD Battery Holder SPF COIN CELL BATT HOLDER-SMD PRT-10592 SMD Coin Cell Battery Holder - 12mm 16.36 ZAR inc for 1 Each 9 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview This is the SMD version of PRT-07948, which is the unit we like to use as RTC backup and SRAM backup for GPS units. Holds battery in place with friction. The metal housing connects to the positive side of the battery and the PCB pad underneath is connected to the negative side. Downloads Datasheet - KEY-3000 PDF File 397.18 KB