Changsha Decarnon Electronics Co., LTD. is a comprehensive battery manufacturer which specialized in the research and development, production and sale of all kinds of button cell battery. The main products are: 1.4V zinc air battery (Hearing Aid Battery), 1.55V AG alkaline button cell, SR silver oxide battery, 3V CR lithium manganese button cell, 3.6 V LIR lithium ion battery and button cell battery holders. At the same time, we can provide high quality OEM and battery welding feet processing services according to customers specific needs.