Invisible Fence Compatible
- Compatible with Invisible Fence® R21, R22, R51 and MicroLite Collars
- Lowest Cost Battery Option
- Last 30 Days on Single Charge
- Extended Battery Life-5 Years Plus
- Environmentally Friendly
- Money Back Guarantee
Save over $750 per pet with Circuitcell.
Circuitcell™ eliminates thousands of disposed batteries.
Charge just ONCE a month. Additional batteries available for multiple pets.