Li-ion 3.6v 1300mAh Shenzhen Thumbcells Co.,Ltd ... development,manufacturing and marketing of various kind of batteries and electronic products.Since the year 2000,THUMBCELLS ... our products comply with the international standard. Therefore the batteries are widly applied to wristwatch, computer, music card ... all over the world. Wellcome to use our batteries and electronic products. We are always ready to ...