😊Hi, nice to e-meet you. This is Ivy from Power Glory.About Power Glory,1) A leading manufacturer of lithium coin cells (CR, BR, ML); 20 years of experience; 2) Produce over 800 million coin cells annually, over 60% are exported overseas;3) OEM for many famous battery brands at home and abroad.4) One of the drafters and formultors of the national and industrial standards of lithium primary battery in China.About CR coin cells,✔Higher capacity: 10%-20% higher capacity;✔Wide working temperature range: -55~125℃.