: You can buy single batteries or sign up for a plan directly from the Invisible Fence Shop .
Power Cap Battery Plan 2x/year (every 6 months) Auto-renewal where to buy invisible fence batteries
: These are often the most cost-effective official route. Power Cap Battery Plan (2x/year) : Around $50.00. Power Cap Battery Plan (3x/year) : Around $72.50. Power Cap Battery Plan (4x/year) : Around $95.00. : You can buy single batteries or sign
The safest way to ensure your system works 100% of the time is to use genuine Invisible Fence Brand Power Cap® Batteries . These are specifically engineered to fit snugly, preventing water from leaking into the collar. Power Cap Battery Plan (3x/year) : Around $72
If you're looking for a more budget-friendly option, several reputable retailers sell "compatible" batteries designed to fit Invisible Fence R21, R22, and R51 receivers. Go to product viewer dialog for this item.
Keeping Your Pet Safe: The Ultimate Guide to Invisible Fence Batteries