21v 20AH Lithium Battery pack with SMbus(I2C) Li-FePO4-7S6P

O'CELL New Energy Technology Co., Ltd., established in Oct.2008, is a high-tech enterprise which involves in research, production, sales and services of qualified Lithium Iron Phosphate (LiFePO4) cell, battery pack, reliable battery management system and one-stop power solution, for a wide range of applications worldwide including HEV, EV, AGV, Solar & Wind Power Generation System, UPS, Lighting, Toys, etc. O'CELL's manufacturing facilities are ISO9001:2008 and ISO14001:2004 registered. It's products are compliant with CE, RoHS and have passed UN transportation testing, which is required for international transportation of all lithium batteries. O'CELL people are the engine of our success today and in the future. They are motivated to keep well informed about the most recent technological developments and modernization management. Meanwhile, O'CELL continues to invest in research and development in order to take a leadership role in advanced lithium battery technology. O'CELL factory covers over than 96,000m2 and bases in Yichang which is famous for Three Gorges and the biggest water power center in the world. Taking the advantage of sufficient electricity, O'CELL will pass the benefit to our customers. O'CELL sincerely expects to cooperate with our customers for mutual benefit and common development. O'CELL also hopes that we can contribute to new energy development and green circular economy.