2V battery 1.Good Cycling Performance,70% DOD(Depth of Discharge)more than 600 Times 2.Excellent Charge Acceptance 2V ... Electric /Characteristics1. ,70%DOD≥600Good Cycling Performance,70% DOD(Depth of Discharge)≥600 Times,80%.Unique grid alloy and the high ... its working ability both in high temperature and cold environment.4. .Sealed and Maintenance Free,,,.Valve-regulated sealed technology and ...