Shenzhen First Power Energy Co., Ltd., established in 2010 which is a leading and professional manufacture engaged in research & development, production & sale, and service of lithium battery. We have sales office in Shenzhen and factory in DongGuan (named DongGuan Yizhan Electronics technology Co.,Ltd)Shenzhen First Power Energy Co., Ltd., own an excellent engineer team engaged in lithium batteries for many years, R&D laboratories and product safety testing rooms with advanced production equipment and first-class testing equipment, all the production procedure strictly according to ISO: 9001-2015 quality management system. We invested R & D cost above 100 million RMB annually, all products are sold around worldwide. Main products: all kinds of lithium battery pack with voltage 5V~200V, capacity 2Ah~500Ah, mainly applied to electric bicycles, electric motorcycles, balance cars, medical equipment, industrial equipment, power tools, testing equipment, unmanned aircraft, Communications base stations, energy storage and other products.We also can provide customized battery products and kinds of service as battery design, battery selection suggestion, battery management system and so on, providing a full range of battery solutions.