Established in 1999, Shenzhen BST Electronic Factory is a professional manufacturer engaged in the research, development, production, sale and service of mobile phone batteries. We are located in Shenzhen City, Guangdong Province and have convenient transportation access. After years of hard-working, our company has a group of experienced engineers and excellent management talents who made successfully self-own high capacity business use battery brands like BST. BST high capacity business battery uses the exclusive low pressure injection all-in-one techniques to optimize the battery use space. It uses the A rank good quality chop with the features of high capacity, low internal resistance, long life circulation, environmental friendliness and high safety. The line protection used in the product is tripling protection which has over-charge, over-discharge, and over-current protection function.