Keystone Electronics Batteries & Chargers Accessories Button cell holder 626670 - Keystone Electronics 1057, The Keystone Electronics 1057 is an SMD ultra-low button cell holder designed for a single CR2032 battery. This compact holder, measuring 33.15 x 23.93 x 5.21 mm, is ideal for rechargeable accessories and battery contacts. Typically used in electronic devices, it secures batteries in a horizontal orientation. Keystone 1057 Button Cell Holder 1x CR2032 Horizontal SMD 33.15x23.93x5.21mm