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