Catalog > Internet of Things (IOT) Related Products > Sparkfun SparkFun SMD Coin Cell Battery Holder - 20mm Coin Cell 20mm Battery Holder SPF COIN CELL BATT HOLDER-SMD 20 SMD Coin Cell Battery Holder - 20mm 13.00 ZAR inc for 1 Each 7 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Now for all of your coin cell battery surface mount needs, the 20mm SMD Coin Cell Holder. This holder fits our 20mm Lithium Ion coin cell battery and holds the 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 Schematic Diagram - SPF COIN CELL BATT HOLDER-SMD 20 PDF File 113.35 KB