Shenzheng Jente Energy Technology Co., Ltd Our company offers the hottest selling high quality Samsung/LG/Panasonic/BAK/Sony/EVE A Grade 18650/21700 Lithium-ion batteries with 24 months warranty. This means that you don't have to worry about battery damage for at least two years. At the same time, we have a battery after-sales guarantee in USA/AU/UK/CA/DE, so you don't have to worry about battery warranty and zero cost during the warranty period. All the batteries supplied by our company undergo rigorous testing, from the initial cell test, to the finished test of the cells to form the battery pack, to the overall test of the battery pack in the shell. Our battery process also undergoes CE, MSDS, UN38.3, UKCA, Product Air Transportation License and so on. We must ensure a safe and high quality product is delivered to you. Contact us to take the first step to your business success!