1)R03P/AAA/UM-4 battery 2)PVC battery R03 3)Super Heavy Duty R03 4)Shrink Card pack 5)IEC standard, SGS CE certification ... 7) The batteries are base to IEC standard, ROHS, EU battery direction 2006/66/EC8) No stains, no deformation, no leakage ... ) Mercury & Cadmiun free. R03P/AAA/UM-4 PVC Shrink card dry battery