Shenzhen Sffree Technology Co., Ltd. is a new energy enterprise which is specialized in the design, manufacture and sale of LiFePO4 batteries and power protection systems. Our factory covers an area of more than 10000 square meters and our office covers an area of 3000 square meters. Sffree has many advanced production lines whose largest annual production capacity of batteries reaches 300000 pieces. Sffree is one of the Professional manufactures of LiFePO4 batteries.