Button cell clip in PCB version - developed for quick and easy installation. - For replacing 20-mm button cells - Impact and vibration proof - Double spring contacts ensure low contact resistance - Mounting: PCB version - Material: 01.5-mm nickel-plated phosphor bronze The negative pole must be present on the printed circuit board as a pad. Suitable for cells with a maximum diameter of 20 mm (e.g. for cell types BR or CR2016, 2020, 2025, 2032).