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Amazon.com : GP Batteries Brand CR2 Lithium-Ion Battery Compatible with Some Electric Dog Fence Collars : Dogtek : Pet Supplies
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TAKEN ONE HRZVB5M CR2 Rechargeable Batteries with Charger, Taken 3.7V 450mAh CR2 Battery, 8 Pack RCR2 Rechargeable Battery with 4-Ports Charger
![Amazon.com : GP Batteries Brand CR2 Lithium-Ion Battery Compatible with Some Electric Dog Fence Collars : Dogtek : Pet Supplies Amazon.com : GP Batteries Brand CR2 Lithium-Ion Battery Compatible with Some Electric Dog Fence Collars : Dogtek : Pet Supplies](https://m.media-amazon.com/images/I/51tyBolkccL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFIVE%2CBottomLeft%2C360%2C-6_SR600%2C315_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)