1.high performance and high quality 2.0%mercury, 0%Cadmium,0%lead 3.OEM is available 4.CE&ROHS&SGS approved Normal Voltage: 12VDimension:10*28.5mmShelf life:5 yearsJacket:Aluminum FoilExcellent performance and enviroment friendly batteryCertification: ISO9001:2000,CE,ROSHDischarge Performance : contact us.