... .,Ltd.is a subsiduary of Thumb International Group Company Limited,which specializes in the development,manufacturing and marketing of ... cell, 12V (23V/27V) combination button cell,green cylindrical type (AA, AAA) carbon, alkaline battery, 9V (6F/22) battery, ... batteries are widly applied to wristwatch, computer, music card, electronic toys, camera, medical instruments, shoes lamp, thief alarm, remoter ...