... operation voltage, Li-ion batteries product 12 volts.2. High energy density.3. Long cycle life, more than 300 charge/discharge cycles ... level of safety, vision Lithium ion batteries catch no fire and cause no explosion in breaking experiment, with acupuncture, smash, drop ... on.Approval:CE, UL, REACH, ROSH; ISO 9001:2008 and ISO 14001:2004 approval have been carried. New product 12V Li-ion battery