Features: 
1) 1.5V carbon battery 
2) AAA size 
3) 4pcs/shrink pack 
4) PVC jacket 
5) Metal top, metal bottom or plastic top and flat bottom
6) Diameter: 9.5 - 10.5mm 
7) Height: 43.3 - 44.5mm 
8) Nominal weight: 7g/pc 
9) Shelf life: 15 months 

Primary competitive advantages: 
1) Guarantee/warranty 
2) Price 
3) Product performance 
4) Prompt delivery 
5) Quality approvals 
6) Reputation 
7) Service