Specifications: 1) Super quality PVC jacket, metal top and bottom series 2) Mercury and cadmium free green battery 3) Full size available, D, C, AA, AAA and 9V 4) A variety of packages a) Shrink pack b) Blister card, 4pcs, 8pcs, 12pcs, 16pcs in a blister available 5) High performance with excellent reliability, safety and long life 6) Perfect leakage resistance 7) OEM welcome 8) Provide designing on customer special requirements