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Back2998 battery holder Keystone #500, CR1220 battery holder, http://www.keyelco.com/product-pdf.cfm?p=710 Battery holder for 2020, 2025 and 2032 coincell batteries. Http://www.keyelco.com/product-pdf.cfm?p=798 Keystone type 2998 battery holder coin cell retainer Keystone type 3001 coin cell.
- Center 1.6mm 2 pins.
- Molex Pico-EZmate series connector, B12B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf.
- Coilcraft, XAL1510-472, 15.4x16.4x10.0mm, https://www.coilcraft.com/getmedia/cd1cef27-13f0-4568-8894-f7311475209b/xal1510.pdf Inductor, Coilcraft, XAL1510-153.