This is what I got for these scopes:
4X EEMB ER17335 Nonrechargeable 3.6V Lithium Battery with Tabs Li-SOCL? 2/3A Size 2100mAh High Capacity UL Certified Single-Use 3.6V Lithium Thionyl Chloride
Free shipping from Amazon when ordered with a bunch of other items.
- Bert