Do not submerge the battery in the water. Do not mix fresh batteries with used batteries. Do not mix batteries with metal stuff together. Do not insert batteries with the (+) and (-) reversed. Do not use Efest batteries with defective E-cig mods. Do not disassemble, dispose in fire, heat or short circuit. Do not put the battery in a charger or equipment with wrong terminals connected.
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!