Shenzhen Eisto Electronics Co.,Ltd is a leading designed and custom batteries manufacturer in China,which is mainly providing OEM & ODM service for Lithium lon Battery, Lithium Polymer Battery, LiFePO4 Battery,NiMH Battery,Battery Chargers,our factory has passed ISO9001-2016 quality management system certification and strictly implements GB31241-2014 standard to ensure product quality,and our batteries pass UL,CB,IEC 62133,BIS,UN38.3,CE,RoHS,KC,PSE certifications etc.