Efest company has focused on lithium battery and charger industrial over 8 years Efest lithium batteries and chargers have passed many international testing, such as UL,CE, RoHs, UN38.3, MSDS,etc. Efest company has cooperated with many big distributors in many countries, such as USA, CA, UK, France, Italy and so on. OEM. ODM service are available. Welcome to contact us any time!