Key specifications/special features:
1) 1.5V carbon battery
2) C size
3) 2pcs/shrinking pack
4) Diameter: 24.9-26.2mm
5) Height: 48.6-50.0mm
6) Nominal weight: 41g/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