Key specifications/special features: 1) 1.5V carbon battery 2) AA size 3) 4pcs/shrinking pack 4) Diameter: 13.5-14.5mm 5) Height: 49.2-50.5mm 6) Nominal weight: 15g/pc 7) Shelf life: 15 months 8) OEM orders acceptable Primary competitive advantages: 1) Guarantee/warranty 2) Price 3) Product performance 4) Prompt delivery 5) Quality approvals 6) Reputation 7) Service Packing: 4pcs/shrink pack, 5dozs/60pcs/box, 100dozs/1200pcs/carton,1600 cartons/20' container.