... products.Since the year 2000,THUMBCELLS set foot in battery industry,and now is the member of Chinese ... lithium manganese button cell, 12V (23V/27V) combination button cell,green cylindrical type (AA, AAA) carbon, alkaline battery, 9V (6F/22) battery, rechargeable battery ... very important role in the market of environmentally friendly battery.Since the founding of THUMBCELLS, it strictly complys with ...