Shenzhen BaiSiYu TECHNOLOGY CO., LIMITED, established in 2009, is a professional battery supplier in Shenzhen, China, with around 50 employees and a factory area of above 1500 square meters. We focus on designing, researching and developing, manufacturing and selling batteries, chargers, ecig mods, atomizers, ego case and so on. Also, we directly supply authentic lithium/Li-polymer cells from international famous brands to ensure high quality and safety as well as competitive price for customers. Our main products are flashlight battery, chargers, battery packs in all fields such as e-bike, power tools, GPS, lighting and so forth. OEM/ODM orders are available with short delivery time. With two experienced production lines who specialized in lithium ion batteries in more than 12 years and a professional sales team, together with strict Q/C procedure and relevant certifications such as ISO9001:2008, CB, CE and RoHS, our main markets expand with high speed including national market and foreign markets in Europe, America, Australia and Asia, ect. To learn more about what we can do for you, contact us at any time. We look forward to establishing good and long-term business relationships with you.