Coin battery can be installed by using "Battery holder CDH"on the Printed- circuit board. After installing the battery holder, the battery is populated firmly and loose connection does not occure. Battery can be detached easily, if you push the tab in the middle of holder. We provide two types, " Through-hole pin mount type" and "Surface mount type". 【Our items】 ○ CDH-100 : For through-hole pin mounting (66Nylon) ○ CDH-200 : Surface mount type (66 Nylon) ○ CDH-300 : For through-hole pin mounting (66Nylon) ○ CDH-400 : For through-hole pin mounting (PBT) ○ CDH-500 : Surface mount type (PPS) ●For the details, please inquire or download the catalogue.