Lithium has a dramatic increase in run time versus alkaline.
|Lithium Iron Disulfide
1.5V , 3000mAh
(long shelf life & good cold weather performance)
Panasonic industrial grade alkaline batteries provide long reliable life in both industrial and consumer applications.
1.5V , 2870mAh
There is a $12 Cdn ($9.60US) shipping and handling charge.