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Overview Li-ion batteries use lithium cobalt oxide as the positive electrode and a highly crystallized carbon as the negative electrode. Because Li-ion batteries can provide higher energy density to meet the needs of ever smaller and lighter devices, and they have high voltage, good storage and cycle life characteristics, they are widely used for 3C application. Features a. High energy density The weight of Li-ion battery weight is approximately half on comparison with a Ni-Cd or Ni-MH Battery of similar capacity. b. High voltage A singe Li-ion cell has a voltage of 3.6V. c. Pollution-free The Li-ion battery does not contain any polluting substancessuch as cadmium.lead mercury,etc d. Long cycle life Under normal conditions, the Li-ion battery has a life of more than**0 charge and dischage cycles. e. No memory effect The Li-ion battery is free from the so-called memory effect. products: Steel case lithium ion Aluminium case lithium Column lithium ion Column lithium ion If you are interested in the products we made, please contact me for the details of which you need. website: http://xxxxx