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Invisible Fence® Brand Computer Collar® units are powered by a specially designed 3-Volt Lithium Power Cap® battery that Canine Company recommends replacing every 3 months to ensure continuous and trouble-free operation of your dog's Computer Collar.
All batteries have a shelf life. We recommend never using an Invisible Fence Computer Collar battery that is more than 1 year old.
Shop Canine Company’s Invisible Fence 3-Volt Power Cap Battery Plans
Save over 20% when you purchase a 1 Year 3-Volt Power Cap Plan or replace your cat or dogs nylon collar and save over 20% with our 3 Volt Power Cap Bundle Plan. Both 3-Volt Power Cap plans automatically send you a fresh battery every three months. The Power Cap battery plans are a great reminder to change your battery every three months, just change the battery when the new one arrives and your dog will always be protected. The 3-Volt Power Cap Battery plan requires no additional shipping and handling charges.
Please note: Due to new FAA regulations, products containing lithium ion or lithium metal batteries will not be eligible for Express "AIR-Next Day" Shipping. We apologize for any inconvenience, but understand the importance of keeping your pet protected with a timely delivery of your Invisible Fence Batteries. It's the perfect time to sign up for a Battery Plan with auto-ship so your pet is always protected with an Invisible Fence Battery that arrives on time.